Diamond Buyer Blainville: Find a Trusted Expert

Many people leave money on the table when they sell a diamond, often by making a few common mistakes. Accepting the first offer without comparison, not having proper documentation, or having unrealistic price expectations can all lead to disappointment. This guide is designed to help you avoid those pitfalls. We’ll show you how to prepare effectively, research the market, and recognize the signs of a trustworthy professional. By understanding the process from an expert’s point of view, you can protect yourself and ensure you get the best possible price. Finding a great diamond buyer Blainville starts with being an informed seller.

Key Takeaways

• Know Your Diamond's True Worth Before You Sell

  : Gather all your paperwork, especially a GIA certificate, and consider an independent appraisal. This information provides an unbiased look at your diamond's quality and current market value, giving you a solid foundation for any negotiation.

• Partner with a Reputable and Transparent Buyer

  : A trustworthy expert will have GIA-certified gemologists, evaluate your diamond in front of you, and clearly explain how they arrived at their offer. Avoid high-pressure tactics and choose a buyer who makes you feel secure and respected.

• Understand the Difference Between Retail and Resale Value

  : The price you receive will be based on the current wholesale market, which is significantly lower than the original retail price. Setting realistic expectations from the start helps you recognize a fair offer and feel confident in your decision.

What Determines a Diamond's Value?

Figuring out what your diamond is worth can feel like a mystery, but it doesn't have to be. While it’s easy to assume that size is all that matters, a diamond’s true value is a blend of several specific characteristics that experts carefully evaluate. Understanding these factors will help you feel more confident when you decide to sell or get a loan. It’s all about knowing what to look for, so you can have a clear and realistic expectation of your diamond’s value.

The 4 Cs: Cut, Color, Clarity, and Carat

The foundation of any diamond valuation rests on the "4 Cs." This is the universal grading system professionals use to assess a diamond's quality. Think of it as a report card for your stone, where each category is equally important. The 4 Cs of diamond quality are Cut, Color, Clarity, and Carat weight.

• Cut:

  This refers to how well the diamond’s facets interact with light, determining its sparkle. A well-cut diamond shines brilliantly, while a poor cut can appear dull.

• Color:

  For white diamonds, value is based on the absence of color. The less color, the higher the grade.

• Clarity:

  This measures the absence of internal flaws (inclusions) and surface blemishes.

• Carat:

  This is the diamond's weight, though a high carat doesn't guarantee high value without the other three Cs.

Other Factors That Add Value

Beyond the 4 Cs, a few other elements can influence your diamond's price. The diamond's shape—whether it's a classic round brilliant or a trendy oval—plays a role, as certain shapes are more in demand. A grading report from a reputable lab like the Gemological Institute of America (GIA) also adds significant value, as it provides an unbiased assessment of the stone's quality. It’s also important to understand the difference between retail price and resale value. The reality of selling diamonds is that you'll likely be offered a price closer to its wholesale market value, not the original store price.

How Market Trends Affect Pricing

Like gold or silver, diamond prices are not static. They fluctuate based on global supply and demand. Economic conditions, mining outputs, and even fashion trends can affect which diamonds are most sought-after at any given time. A knowledgeable buyer stays on top of these shifts and can explain how current market conditions affect their offer. This is why it’s smart to get a quote from a trusted expert who understands the market's pulse. Rushing to the first buyer you find might mean leaving money on the table, so look for an appraiser who can explain the current diamond market.

Common Myths About Diamond Worth

There are a lot of misconceptions about diamond value that can lead to confusion. One of the most common is that a bigger diamond is always worth more. In reality, a large diamond with poor clarity, a yellowish color, or a mediocre cut can be worth far less than a smaller, more brilliant stone with excellent grades. Another myth is that all diamonds are a great investment that will automatically appreciate over time. While some rare diamonds do increase in value, most commercial-grade diamonds are not guaranteed to do so. Their value is tied to the market, just like any other luxury good.

How to Choose a Reputable Diamond Buyer

Selling a diamond is a big decision, and you want to be sure you’re working with someone who is not only an expert but also has your best interests at heart. The right buyer will make the process feel clear, secure, and fair. It’s about more than just the final offer; it’s about feeling confident and respected from start to finish. To find a trustworthy partner, you need to know what to look for and which red flags to avoid.

Think of it like hiring any other professional—you’d want to see their qualifications, understand their process, and feel comfortable with how they operate. We’ll walk through the key things to check for, from professional credentials and the right equipment to transparent pricing and secure handling of your precious items. Knowing what separates a great buyer from a questionable one will empower you to get the best possible value for your diamond.

What Credentials to Look For

When you’re looking for a diamond buyer, start by checking their credentials. The most respected qualification in the industry comes from the Gemological Institute of America (GIA). A buyer who employs GIA-trained gemologists shows a serious commitment to expertise and accuracy. These professionals have undergone extensive training to grade diamonds based on the 4 Cs (cut, color, clarity, and carat) and can identify the subtle characteristics that determine a diamond’s true value. Don’t be shy about asking if their appraisers are certified. A reputable buyer will be proud to share their team’s qualifications with you.

The Right Equipment and Technology

A professional evaluation requires more than just a jeweler's loupe. A trustworthy diamond buyer will have the proper gemological equipment to conduct a thorough and accurate assessment. This includes tools like high-powered microscopes, diamond scales, and technology to test for authenticity and treatments. Using the right equipment ensures that the evaluation is based on objective data, not just a quick glance. This commitment to technology is a sign that the buyer is serious about providing a fair and precise offer, leaving no room for guesswork when it comes to the value of your stone.

Transparent Pricing Policies

You should never feel left in the dark about how a buyer arrived at their offer. A reputable diamond buyer will have a transparent pricing process and be happy to explain it to you. They should be able to walk you through the factors influencing their valuation, referencing current market conditions and the specific qualities of your diamond. If a buyer gives you a price without any explanation or seems hesitant to answer questions, consider it a major red flag. A trustworthy expert wants you to understand the offer so you can feel confident in your decision.

Security and Insurance Measures

Handing over a valuable diamond for appraisal can be nerve-wracking, which is why security is non-negotiable. Before you let your diamond out of your sight, ask about the buyer’s security and insurance policies. A professional establishment will have secure procedures for handling and storing your jewelry during the evaluation. They should also have comprehensive insurance that covers your item against loss, theft, or damage while it’s in their care. This protects both you and the buyer, offering peace of mind throughout the entire process.

Red Flags to Avoid

Knowing what to avoid is just as important as knowing what to look for. Be wary of any buyer who pressures you to make a fast decision. High-pressure tactics are often used to prevent you from shopping around and getting a second opinion. Another red flag is a lack of a physical office or a professional website. One of the biggest mistakes sellers make is accepting the very first offer they receive. Always take your time, compare your options, and trust your gut. If something feels off, it probably is.

Where to Sell Your Diamond in Blainville

When you decide to sell a diamond, finding the right buyer is just as important as understanding your stone's value. The Blainville area offers several options, each with its own process and benefits. You could approach a specialized diamond buyer, a precious metals exchange, or even a local jewelry store. The key is to find an expert who is not only knowledgeable but also transparent and trustworthy. A reputable buyer will take the time to explain their evaluation process, show you the tools they use, and make you a fair offer without any pressure. They understand that this can be a significant decision, and their role is to provide clarity, not to rush you.

Your goal is to feel confident and comfortable throughout the transaction. This means doing a little homework beforehand. Look for buyers with a long-standing presence in the community, positive customer reviews, and clear credentials. Don’t hesitate to visit a few different places to get a feel for their service and compare offers. A professional will respect your decision to shop around and will focus on providing you with accurate information. Below, we’ve compiled a list of trusted experts in and around Blainville to help you start your search and find the perfect place to sell your diamond.

Signature Gold Loans

As a family-owned business with over 35 years of experience in Montreal, we pride ourselves on making the process of selling your diamond straightforward and rewarding. At Signature Gold Loans, our GIA-trained experts conduct a thorough appraisal right in front of you, explaining every step so you understand exactly how we determine your diamond’s value. We believe in complete transparency and making top-dollar offers based on the highest industry standards. Our goal is to ensure you feel secure and respected from the moment you walk in. You can sell your diamonds with confidence, knowing you’re working with a team that has built its reputation on integrity and fair pricing. We make the experience seamless, so you can get the best value for your jewelry without the stress.

Montreal Diamond Center

The Montreal Diamond Center is another well-regarded option for those looking to sell diamonds and fine jewelry. They are known for their deep expertise and commitment to providing personalized service. If you’re looking for a buyer who can offer detailed insights into your specific piece, their knowledgeable staff is equipped to guide you. They work to provide competitive offers that reflect current market values. Many sellers appreciate their professional environment and the individual attention they give to each client, making it a reliable choice for selling valuable jewelry in the greater Montreal area. Their team can walk you through the specifics of your diamond’s characteristics and how they contribute to the final price.

Crown Gold Exchange

Specializing in both gold and diamond jewelry, Crown Gold Exchange focuses on creating a transparent and efficient selling experience. They are known for offering fair prices and clear communication, which can be reassuring if you’re new to selling jewelry. When you visit, you can expect a professional evaluation of your diamond, with their team explaining the factors that influence their offer. They often provide cash offers on the spot, making it a convenient option if you’re looking for a quick and simple transaction. Their straightforward approach is designed to remove the guesswork from the selling process, allowing you to make an informed decision without feeling pressured.

Quebec Precious Metals

Quebec Precious Metals provides a trustworthy environment for selling diamonds and other valuable materials. They are a reputable choice for sellers who prioritize security and competitive pricing. Their team has the experience to accurately assess the quality of your diamond and provide an offer that aligns with its true market worth. They are dedicated to ensuring every transaction is smooth and professional, making sure you feel comfortable with the process from start to finish. For many, their focus on creating a secure and professional setting makes them a go-to option when parting with valuable assets. Their reputation is built on providing a dependable service for those looking to sell precious items.

Local Jewelry Stores

Don’t overlook the local jewelry stores in and around Blainville. Many established jewelers buy diamonds directly from the public, and they often have a deep appreciation for fine jewelry. Selling to a local store can feel more personal, and some may offer unique options like a trade-in credit toward a new piece or consignment sales. It’s a good idea to visit a few different stores to see what they can offer. You can find a list of accredited professionals through organizations like the Canadian Jewellers Association. This approach allows you to compare offers and find a local expert you connect with, ensuring you get a fair deal for your diamond.

Prepare Your Diamond for Sale

Getting your diamond ready for sale is about more than just polishing it up; it’s about preparing yourself with the right information and expectations. Taking a few key steps beforehand can make the entire process smoother and help you feel confident that you’re getting a fair price. Think of it as doing your homework—it pays off by putting you in a much stronger position when you sit down with a potential buyer.

Gather Your Documentation

Before you approach a buyer, take some time to collect any paperwork related to your diamond. This includes the original sales receipt, any previous appraisals, and especially a diamond grading report from a reputable lab. These documents act as your diamond's resume, providing essential details about its quality and history. Having this information ready makes the evaluation process transparent and straightforward for both you and the buyer. A GIA Diamond Grading Report, for instance, is considered the industry standard and gives a buyer complete confidence in the stone’s characteristics, which can lead to a stronger offer.

Clean Your Diamond Professionally

First impressions count. A diamond that’s sparkling clean will always look more impressive than one that’s dull from everyday wear. Lotions, oils, and dust can accumulate on the surface, hiding its true brilliance. While gentle home cleaning is an option, we recommend a professional cleaning to ensure it’s done safely and effectively. A professional jeweler can make your diamond sparkle without risking damage to the setting or the stone itself. This simple step allows any potential buyer to clearly see the diamond’s quality, helping them make an accurate and fair assessment of its value.

Why a Pre-Sale Appraisal Helps

Getting an independent appraisal before selling is a smart move. It gives you a clear and unbiased understanding of your diamond's current market value. Be sure to request an appraisal for resale purposes, as this figure is often different from an insurance replacement value, which is typically higher. Knowing your diamond’s fair market worth gives you a solid foundation for negotiation and helps you recognize a good offer when you see one. An appraisal empowers you with knowledge, allowing you to enter the selling process with confidence and a realistic price in mind.

Set Realistic Price Expectations

It’s crucial to understand that the resale value of a diamond is almost always lower than its original retail price. Jewelry stores have high markups to cover costs like rent, staff, and marketing. When you sell a diamond, you are selling it based on its intrinsic value in the current market, not its past retail price. The reality of selling diamonds is that you will likely receive a fraction of what was initially paid. Knowing this from the start helps you set practical expectations and ensures you feel good about accepting a fair offer that reflects the true market value of your stone.

What to Expect During the Selling Process

Selling a diamond can feel like a big step, but knowing what to expect can make the entire experience smooth and straightforward. A reputable buyer will guide you through a clear, transparent process from the moment you walk in the door. The goal is for you to feel comfortable, informed, and confident that you’re receiving a fair offer for your piece. It’s less about a high-pressure sale and more about a professional evaluation and a simple transaction. Let’s walk through the key stages so you know exactly what’s coming.

The Initial Consultation

Your first meeting with a diamond buyer should be a no-obligation conversation. Think of it as an opportunity to get to know them and for them to see your diamond. You can bring in your diamond jewelry along with any paperwork you have, like an original receipt or a grading report. The buyer will ask you some questions about the piece, and you should feel free to ask them anything, too. This initial discussion is all about transparency and comfort. A trustworthy professional will make the process feel simple and confidential, ensuring you understand every step without any pressure to sell.

How Professionals Evaluate Your Diamond

Once you’re ready, an expert will carefully examine your diamond. This isn’t just a quick look; it’s a detailed assessment based on a globally accepted standard. Professionals evaluate a diamond’s quality using the 4 Cs: cut, color, clarity, and carat weight. A certified gemologist will use specialized tools like a jeweler’s loupe and a microscope to inspect your stone’s characteristics. They will explain what they see and how each factor influences the diamond’s overall value. This expert evaluation is the foundation for a fair and accurate offer, so it’s important that it’s handled by a trained professional.

Guidelines for Negotiation

After the evaluation, the buyer will present you with an offer. This is where the conversation about price begins. A reputable buyer will be able to clearly explain how they arrived at their number, connecting it back to the 4 Cs and current market conditions. Don’t be afraid to ask questions. If you have a recent appraisal or other offers, you can share that information. A fair negotiation is a two-way street built on mutual respect. The buyer should be willing to discuss the offer with you, ensuring you feel confident in the final price before moving forward.

Your Payment Options

Once you and the buyer agree on a price, the final step is payment. The process should be quick and secure. Reputable buyers, including pawn shops and dedicated jewelry buyers, will pay you on the spot. You won’t have to wait days for a check to clear or for a transfer to process. Common payment methods include a company check, a wire transfer, or cash, depending on the buyer’s policies and the transaction amount. You should receive your payment immediately upon handing over the item, completing the sale in a single visit.

Legal Details to Know

To finalize the sale, you’ll need to complete some simple paperwork. This typically includes providing a valid government-issued ID to verify your identity and signing a bill of sale. This document officially transfers ownership of the item to the buyer and serves as a record of the transaction for both of you. It protects everyone involved and confirms that the sale was legitimate. Getting a copy of this paperwork is always a good idea. It’s the final step in a secure and professional selling process, giving you peace of mind.

How to Get the Best Price for Your Diamond

Selling a diamond can feel like a big deal, but with a little preparation, you can walk into any negotiation feeling confident and ready. Getting the best price isn't about luck; it's about being informed and strategic. The key is to understand your diamond's value and know how to communicate it effectively. One of the most common mistakes sellers make is simply not knowing the actual market value of their diamonds. By doing some homework ahead of time, you put yourself in the driver's seat. These steps will help you prepare for the process and ensure you get a fair offer that reflects what your diamond is truly worth.

Research the Market

Before you approach a buyer, take some time to understand the current diamond market. Prices for diamonds, like other valuable commodities, can fluctuate based on supply, demand, and economic trends. A quick online search for current diamond prices can give you a general idea of what similar stones are selling for. This knowledge is your best tool for setting realistic expectations and evaluating offers. Knowing the market empowers you to make informed decisions and prevents you from accepting a lowball offer simply because you don't know any better.

When to Time Your Sale

While you might not be a market analyst, paying attention to broader economic trends can help you time your sale effectively. For example, diamond prices might see a slight increase around major holidays or during periods of economic stability. Ignoring these market trends can mean missing an opportunity for a better price. You don’t need to watch the market daily, but being aware of major shifts can help you decide if now is the right moment to sell or if it might be better to wait a few months.

Simple Negotiation Tips

Negotiation doesn't have to be intimidating. The most important thing is to be prepared. Know the details of your diamond—its cut, color, clarity, and carat weight—and have your GIA certificate handy if you have one. Decide on your ideal price and the lowest price you're willing to accept before you start the conversation. Don't let a buyer's negative bargaining tactics pressure you. A reputable buyer will make a fair offer based on your diamond's quality and the current market, not on making you feel like your stone is flawed.

Use Price Comparison Tools

To get a solid starting point, take advantage of online diamond price calculators. These tools use your diamond's specifications to provide an estimated market value. While a calculator can't give you a definitive price—that requires a professional in-person evaluation—it’s an excellent way to gauge the worth of your diamond. Having this baseline figure helps you enter negotiations with a data-backed price range in mind, making you a much more informed and confident seller. It’s a simple step that can make a huge difference.

Consider Alternative Selling Options

Where you sell your diamond matters. Selling to a non-professional buyer, like at a pawn shop or through an unverified online ad, often results in a lower price. Professional diamond buyers and established jewelers have the expertise to accurately assess your diamond's value and the resources to offer a competitive price. It’s always a good idea to get offers from a few different reputable sources. Exploring various selling avenues allows you to compare offers and choose the one that feels right for you and gives you the best return.

Protect Yourself During the Sale

Selling a diamond is a significant financial transaction, and it’s completely normal to want to feel secure every step of the way. Getting a great price is the goal, but your peace of mind is just as important. A trustworthy buyer will understand this and will make the process transparent and comfortable for you. Taking a few simple precautions can make all the difference, ensuring you feel confident and in control from the initial consultation to the final payment.

Think of it like selling any other valuable asset—you wouldn't hand over the keys to your car without verifying the buyer and securing the payment first. The same logic applies here. By doing a little homework on the buyer, understanding the process, and keeping your documents in order, you can protect yourself and your valuable diamond. A professional buyer will welcome your questions and appreciate your diligence, as it shows you’re an informed seller. Let’s walk through the key steps to ensure your sale is both profitable and secure.

Verify the Buyer and the Offer

Before you commit to a buyer, take some time to confirm they are legitimate and trustworthy. Start by looking for a business with a physical, professional storefront. A permanent address shows they are an established part of the community and not a temporary operation. Next, check their credentials. A reputable buyer will often have staff with certifications from respected institutions like the Gemological Institute of America (GIA), which demonstrates their expertise. Don’t just take their word for it—read online reviews and see what past clients have to say. When you receive an offer, it should be clear and presented to you in writing. A professional will walk you through how they arrived at their price, creating a transparent and pressure-free environment.

Ensure a Secure Transaction

Your diamond should never leave your sight during an evaluation. A trustworthy buyer will perform their entire assessment right in front of you in a secure, private setting. Look for a clean, professional office with proper security measures in place. This ensures your valuable item is protected while on their premises. When it comes time for payment, discuss the options beforehand. Secure methods like a certified check, bank draft, or wire transfer are standard for large transactions. Be cautious with buyers who insist on paying with large amounts of cash, as this can introduce unnecessary risks. The entire process should feel safe, professional, and respectful of you and your property.

Understand Insurance Requirements

Before you even walk out the door, it’s a good idea to check your personal insurance coverage. High-value items like diamonds may require a special rider on your homeowner's or renter's policy to be fully covered against loss or theft outside the home. Give your insurance agent a quick call to confirm the details of your policy. A reputable diamond buyer will have their own comprehensive business insurance that protects your jewelry while it’s in their possession, but your personal coverage is your first line of defense. Understanding how to insure your jewelry properly provides an essential layer of security and peace of mind throughout the selling process.

Keep Your Paperwork in Order

Having all your documentation organized is one of the best ways to support a smooth and fair transaction. Before meeting with a buyer, gather any original paperwork you have for your diamond. This includes the original sales receipt, any previous appraisals, and most importantly, a grading report from a lab like GIA. These documents provide a detailed, third-party account of your diamond’s specific characteristics—its cut, color, clarity, and carat weight. This information helps the buyer make an accurate assessment and substantiates the value you’re seeking. Presenting this paperwork shows that you are an informed seller and helps streamline the evaluation process, setting the stage for a transparent negotiation.

Helpful Tools and Resources

Selling a diamond can feel like a big undertaking, but you don’t have to go into it blind. Arming yourself with the right information is the best way to feel confident and in control of the process. Several tools and resources are available to help you understand your diamond’s potential value and find a trustworthy buyer. Think of it as doing your homework before a big test—a little preparation goes a long way.

From online calculators that give you a starting point to professional associations that vet buyers, these resources can help you set realistic expectations and protect your interests. Using them will help you ask the right questions and evaluate offers more effectively. When you know what to look for and where to find reliable information, you can approach the sale with a clear head, ready to secure a fair price for your valuable gem.

Diamond Price Calculators

Before you meet with a buyer, it’s a good idea to get a ballpark figure for your diamond. Online diamond price calculators can give you a rough estimate based on the 4 Cs and other details from your diamond’s certificate. While these tools can’t replace a professional appraisal, they are excellent for setting a baseline. You can use a calculator to gauge the worth of your diamond and get a general sense of its market value. This initial step helps you manage your price expectations and enter negotiations with a more informed perspective, preventing you from accepting a lowball offer or having unrealistic hopes.

Local Appraisal Services

For a precise and reliable valuation, nothing beats a professional appraisal. A certified appraiser provides a detailed assessment of your diamond’s quality and current market worth. When you look for an expert, find someone who makes the process feel simple, transparent, and confidential. A formal appraisal report is a powerful tool to have when you start meeting with potential buyers. It serves as an official document outlining your diamond’s specific characteristics and value, giving you a solid foundation for any price discussions. This professional opinion adds a layer of credibility to your asking price and shows buyers you’ve done your due diligence.

Market Research Tools

Understanding the diamond market is key to getting the best price. It’s important to know that the retail price you or someone else paid for a diamond is much higher than its resale value. High mark-ups at the retail level mean that you may only receive a fraction of the original price. Learning about these market dynamics helps you understand how buyers determine their offers. Knowing the difference between retail and resale value will ground your expectations in reality and help you better assess the fairness of the prices you are quoted. This knowledge allows you to approach the selling process more effectively.

Reputable Industry Associations

When choosing a buyer, always check their credentials. Reputable professionals are often affiliated with well-respected industry organizations. Look for diamond buyers who have credentials from groups like the Gemological Institute of America (GIA). These affiliations are a strong indicator that the buyer is knowledgeable, adheres to strict ethical standards, and is committed to their profession. Working with a credentialed expert provides peace of mind, as you can trust they have the training and integrity to evaluate your diamond accurately and offer a fair price. It’s a simple way to filter out less reliable dealers and connect with trusted experts.

Related Articles

• 9 Best Places to Sell Diamonds for the Most Money
• Sell my Diamond | Signature Gold Loans

Frequently Asked Questions

Why is the resale price for my diamond so much lower than the original retail price? This is the most common question, and it's a crucial one to understand. The original price you or a loved one paid included the jeweler's significant markup, which covers their business costs like rent, marketing, and staff salaries. When you sell your diamond, you are selling the stone itself based on its current wholesale market value, not its past retail value. Think of it like driving a new car off the lot; its immediate resale value is different from the sticker price. A fair offer from a buyer will reflect the diamond's intrinsic worth in today's market.

Do I absolutely need a GIA certificate to sell my diamond? No, you don't absolutely need a certificate to sell your diamond, but having one can certainly make the process smoother and potentially lead to a better offer. A report from a reputable lab like the GIA provides an unbiased, detailed analysis of your diamond's quality. This gives a buyer immediate confidence in what they are purchasing and removes any guesswork from the evaluation. If you don't have one, a professional gemologist can still assess your diamond, but the certificate acts as a universally trusted resume for your stone.

What's the single biggest mistake to avoid when selling a diamond? The biggest mistake is accepting the very first offer you receive without doing any research. It's easy to feel pressured or to simply want the process to be over, but taking your time is essential. Getting multiple offers from different reputable buyers gives you a clear picture of your diamond's true market value. This allows you to compare your options and choose the buyer who not only gives you the best price but also makes you feel the most comfortable and respected.

Is it safe to let a buyer take my diamond into a back room to evaluate it? You should never let your diamond out of your sight during an evaluation. A professional and trustworthy buyer will have all the necessary gemological equipment in their main office and will perform the entire assessment right in front of you. This transparency is a key sign of a reputable business. If a buyer insists on taking your jewelry to another room, you should consider that a major red flag and politely decline. Your peace of mind and the security of your item should always be the top priority.

Besides the 4 Cs, what other factors will influence the final offer I receive? While the 4 Cs form the foundation of a diamond's value, other elements definitely play a role in the final offer. The diamond's shape is a big one, as certain shapes are more popular and in higher demand at different times. Current market trends also have a major impact; diamond prices fluctuate based on global supply and demand. Finally, having original documentation, especially a GIA report, adds credibility and can result in a stronger, more confident offer from a buyer.