
April 2nd, 2026
Common Questions About How To Sell Diamond Jewelry
Selling diamond jewelry can be a daunting task, especially if you are unfamiliar with the process.
There are a few common questions that people often have when it comes to the process. From how to value it properly, all the way to how to sell it.
In this article, I’ll be attempting to answer most of the main ones.

How do I determine the value of my diamond jewelry?

To determine the value of your diamond jewelry, you may need to have it appraised by a professional. An appraisal is a document that provides an expert assessment of the value of your diamond jewelry. The highest authority in the diamond world has the certificate issued by GIA. Having your certificate in hand will improve your chances of getting the highest price.
It should include details about the diamonds, such as their color, cut, clarity, and weight. As well as information about the metal and any other materials used in the piece.
The GIA certificate will specify the following:
- Color: The closer to colorlessness it is, the more valuable it is. The only exception being colorful diamonds, like pink ones.
- Clarity: Diamond clarity refers to the absence of these inclusions (inside imperfections) and blemishes (outside imperfections). Diamonds without these birthmarks are rare, which would make them more valuable.
- Cut: Cut refers to the angles and proportions of the diamond. And it involves brightness, durability, polish, symmetry, and a few other aspects.
- Carat Weight: Diamonds are measured in carats (not karats, which refers to gold’s purity). A carat is equal to 0.2 grams, and it can be divided into 100 points.
And remember, a professional appraisal will provide the information you need to know. You can then use this information to compare the prices being offered by different buyers to ensure that you are getting a fair price for your diamond jewelry.
If your diamond didn’t come with the GIA certificate, seek advice from a trusted estate jeweler. They may assist you with obtaining a GIA certificate or they may provide their professional evaluation after inspecting the jewelry.
Pawn shops may lack expertise on diamonds and strictly online platforms may not be trustworthy to ship your valuables into the unknown.
Also, it is important to be aware of any hidden fees or small print clauses when selling jewelry through auction houses or online consignment platforms. These fees can significantly reduce the amount of money you receive from the sale of your jewelry, it is important to carefully review any contracts or agreements before proceeding.
And consider the reliability and trustworthiness of the platform or auction house you are using.
Do some research and read reviews from other sellers to get an idea of the reputation of the company. It is also a good idea to familiarize yourself with their step-by-step selling process including timeline, shipping, insurance requirements, a form of payment, either by check, wire, or cash, or if you decide not to sell, the procedures on how to get the item returned.
And if you’re looking for a reliable and trustworthy place to sell, consider Gray & Sons and SellUsYourJewelry.com. With decades of experience and a reputation for excellence, you can be sure we’ll be providing fair prices and perfect service every time.
What do I need to know about taxes when selling diamond jewelry?
If you sell your diamond jewelry for a profit, you may be required to pay taxes on the sale. The specifics of the tax implications of selling diamond jewelry will depend on your individual circumstances and the laws of your jurisdiction.
Closing thoughts
Hopefully, I’ve done good work clearing up some of your questions.
If you have any other questions, you can always contact us.
And if you’re ready to sell, you won’t be in better hands than with SellUsYourJewelry.com
If you’re in the Miami area, you could even show up at their flagship location Gray and Sons Jewelers.

Meet Claudine Faifer: Estate Jewelry & Sterling Silver Specialist
Meet Claudine Faifer an estate jewelry, watch and sterling silver specialist with a professional career spanning over 50 years, including an impressive 30 years career at Gray and Sons Jewelers, the premier destination for selling, buying, repairing and consigning luxury watches and estate jewelry… Read more of Claudine Faifer's Jewelry Journey
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Still Have Questions?
Our highly trained specialists, coupled with our international sales reach, allow us to offer the very best prices for your jewelry.
How it works
ONLINE PROCESS
1. Request a Quote Find out how much is your watch or jewelry worth? The more information & photos you share with us the more accurate the market valuation will be. Upon completion of an online submission our experts will contact you with an initial quote.
2. Send Items for Inspection We will provide Easy Ship box and packing materials with our address label. Simply take it to the post office. Send it via registered mail and fully insured*, and we will refund your cost of shipping and insurance upon purchase, up to a maximum of $100, provided you submit proper documentation.
3. Receive Payment Once the inspection is complete and details of the transaction are confirmed, you will quickly receive your payment via check or bank wire.
IN-STORE PROCESS
1. Walk-In our Showroom No appointment necessary. Visit our store at 9595 Harding Avenue, Surfside, FL 33154. Across the street form world-famous Bal Harbour Shops.
2. In-House Inspection Jewelry and Watch buying experts along with in-house master trained watchmakers on-site will perform an in-house inspection for an immediate evaluation.
3. Receive Payment Once the inspection is complete and details of the transaction are confirmed, you will quickly receive your payment via check or bank wire.
* Be sure to protect your valuables with adequate shipping insurance. IF YOU OVERPAY FOR YOUR INSURANCE, IT IS NOT OUR RESPONSIBILITY TO COVER THE EXCESS AMOUNT.DO NOT USE FEDEX OR UPS, AS THEY DO NOT INSURE JEWELRY OR WATCHES.** Gray and Sons is not responsible for shipping and insurance cost to return counterfeit watches or jewelry shall the client wishes to get them returned.
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