Selling IGI Certified Diamonds
If you own an IGI-certified diamond, you've got yourself a valuable piece of jewelry. IGI is recognized as the second-best certification laboratory on the market. With us, you can obtain a free appraisal of your jewel. In general, an IGI diamond is more valuable when it exceeds 0.5 carat.



Obagem, thanks to its extensive international network of professional buyers, excels in buying back IGI-certified diamondsIGI is recognized as the second most prestigious diamond certification laboratory after the GIA. An IGI certificate is a strong symbol of authenticity, quality and value for a diamond, second only to the indisputable reputation of the GIA. If a competitor makes you an offer for a diamond with an IGI certificate, we'll not only match it, we're committed to improving it. It is thanks to the unprecedented breadth of our network, combined with the specific value of an IGI-certified diamond, that we are able to maximize the value of your gem.
Also: Visit us without an appointment at 43 rue Beaubourg 75003 PARIS.
First IGI diamond appraisal online

What is Laboratoire IGI?
The International Gemological Institute, better known by its acronym IGI, is one of the world's most renowned and respected gemological laboratories. Founded in 1975 in Antwerp, Belgium, the laboratory specializes in gemological certification, training, research and services. IGI has become a symbol of trust, integrity and expertise in the diamond industry.
With laboratories and offices around the world, IGI is at the cutting edge of technology, providing accurate and detailed diamond analysis. Owning an IGI-certified diamond means that the stone has been analyzed by world-renowned experts, guaranteeing its authenticity, quality and value.
You can come to the address without an appointment
10 a.m. to 1 p.m. and 2 p.m. to 7 p.m. Monday to Friday
rachat-bijoux@obagem.fr
01 48 87 81 44
43 Rue Beaubourg 75003 Paris
What can you sell at Obagem?
At Obagem, we buy the following jewels:
Why sell IGI-certified diamonds?
Increased confidence: With an IGI certificate, buyers are more inclined to trust the quality of the diamond, as they know it has been examined by an independent and respected entity.
Optimized value: An IGI-certified diamond can often be sold at a higher price than uncertified diamonds or diamonds certified by less recognized laboratories.
Precise details: The IGI certificate provides detailed information about the diamond, including its color, clarity, carat and cut. These details can help determine an appropriate selling price.
Global sales: Thanks to IGI's global presence, IGI-certified diamonds are recognized and valued worldwide, expanding the potential market for your diamond.
Tips for selling an IGI-certified diamond:
- Present the certificate: Always present the IGI certificate at the sale. It's irrefutable proof of your diamond's quality.
- Look for specialized buyers: Focus on buyers or companies who recognize the value of IGI certificates.
- Negotiate with confidence: With an IGI certificate in hand, you have an advantage when negotiating. Use it to get the best possible price.
- Avoid hasty sales: Take the time to research the market, obtain several offers and choose the buyer who offers you the best price.
IGI-certified diamonds are not only a guarantee of quality, but also an opportunity to optimize the value of your stone when selling it. In a competitive market where trust is crucial, having a certificate issued by a renowned laboratory like IGI is a major asset. If you're thinking of selling a diamond, make sure you understand the value that IGI certification brings to your stone, and use it to get the best possible return on your investment.
Also: Come without an appointment to 43 rue Beaubourg 75003 PARIS.
Sell an IGI Laboratory Diamond
At Obagem, we understand the importance of certified expertise, especially for IGI-certified diamonds. Our premiumpre-sale appraisal of luxury jewelry guarantees a thorough and detailed appraisal, boosting the confidence of potential buyers and maximizing your return on investment. For unique pieces such as those by Lydia Courteille, our expert service is essential to determine its true value in today's market.
We also specialize in the valuation of colored diamonds, such as pink diamondswhose rarity and beauty require in-depth expertise for a fair appraisal. In times of personal transition, such as when divorcesObagem offers a discreet and fair valuation and sale, ensuring that all parties receive fair and transparent value.
With Obagem, selling a diamond or jewelry piece becomes a secure and rewarding experience, thanks to our recognized expertise and accurate appraisals. Whether for mounted pieces, historic jewelry or signed contemporary creations, our commitment to excellence ensures satisfaction for all our customers.