Guides & expertise · Diamantaires OG
Sell Your GIA Diamonds with Diamantaires Paris Today
Appraise a GIA-certified diamond Need help appraising your jewelry? 01 48 87 23 37We guarantee the best prices for your GIA-certified diamond. If you hold a direct buyback offer from a competitor, we will not only match it but commit to outbidding it.
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43 RUE BEAUBOURG 75003 PARIS
Métro Rambuteau A guide to diamond certification for the appraisal and resale of your diamond.
What is GIA, AGS and IGI?
There are several gemological laboratories that issue grading certificates; they are provided by GIA, AGS and IGI. These are the gold standards for the diamond and gemstone industry worldwide. The diamond grading certificate is an official assessment by each of these laboratories of the different qualities of a diamond.We invite you to read the GIA website.
Additionally, we have a specific article on our purchase conditions for GIA diamonds.

How to obtain a GIA certificate for my diamond?
The GIA certificate is obtained by sending the diamond via secure transport to the company's American laboratories.
Often reserved for professionals, appraisal by an American laboratory is expensive and can in some cases cost up to $500.
If you also wish to sell your GIA diamond, you can submit it through our interactive sales form.
How to sell my diamond without a gemological certificate?
It is possible with Diamantaires Paris OG to request a free appraisal of your diamond or any other precious stones without possessing its certificate.
In some cases, the certification number allowing you to identify your diamond is laser-engraved on the stone itself.
Buying a GIA diamond
Find our complete online catalog of GIA diamonds here.
All our diamonds are sealed and certified by GIA.
We only sell high-quality diamonds.
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Buy a diamond 01 48 87 23 37 Our customer service is available free of charge for your diamond purchase.Sell your diamonds with Diamantaires Paris today 01 48 87 23 37 Sell You own a diamond and wish to sell it? Free appraisal, payment
Sell your colored diamonds with Diamantaires Paris today 01 48 87 23 37 Sell You own a diamond and wish to sell it? Appraisal
Sell your diamonds with Diamantaires Paris today 01 48 87 23 37 Sell You own a diamond and wish to sell it? Free appraisal, payment
Sell your VVS diamonds with Diamantaires Paris today 01 48 87 23 37 Sell You own a diamond and wish to sell it? Free appraisal,
Selling a GIA diamond with certificate
What is the GIA certificate for diamonds?The GIA (Gemological Institute of America) certificate is an official assessment of the different qualities of a diamond. It is widely recognized in the diamond and international gemstone industry.
How to obtain a GIA certificate for my diamond?To obtain a GIA certificate, the diamond must be sent via secure transport to the firm's American laboratories. This appraisal is often reserved for professionals and can cost up to $500.
Is it possible to sell a diamond without a gemological certificate at Diamantaire Paris?Yes, Diamantaire Paris OG offers free appraisal of diamonds or other precious stones even without a certificate. In some cases, the certification number may be laser-engraved on the stone itself.
What services does Diamantaire Paris offer related to GIA diamonds?Diamantaire Paris offers the purchase and sale of GIA-certified diamonds. They also offer free and confidential jewelry appraisals, as well as personalized advice for selling precious jewelry.
Where is Diamantaire Paris located and how to contact them?Diamantaire Paris is located at 43 rue Beaubourg, 75003 Paris, near the Réaumur – Sébastopol metro station. They can be contacted by phone at 01 48 87 23 37 or by email at [email protected].
At the heart of Diamantaire Paris, our expertise in diamond appraisal and certification is recognized, particularly thanks to our rigorous use of GIA certificates. These certificates are the cornerstone of our commitment to transparency and trust, offering our clients peace of mind when they choose to sell or invest in a diamond. Our team of experts, with its renowned expertise from the Place Vendôme, is dedicated to providing accurate appraisals based on the rigorous criteria established by GIA.
We understand that selling precious jewelry, such as Van Cleef & Arpels, can be an important decision. That is why we offer personalized advice and viable alternatives to traditional auction houses, such as our alternative to Sotheby's, for those seeking to sell their jewelry in a confidential and secure environment.
Our jewelry store in Paris is a sanctuary of trust and expertise, where every client can feel secure discussing their options, whether it be to sell an antique ring or to obtain a free jewelry appraisal. We are also here for those looking to preserve family heritage, offering advice on what to do with inherited jewelry, while considering both sentimental and market value.
At Diamantaire Paris, we are dedicated to providing an exceptional experience to every client, whether you are looking to sell, buy, or simply obtain an appraisal. Visit our site to discover how we can assist you in your journey with diamonds and high-end jewelry.
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