Maximize the Value of Your Antwerp Laboratory Certified Diamond with Obagem
If you own a diamond certified by the Laboratoire de Gemmologie d'Anvers and are considering selling it, Obagem, located at 43 Rue Beaubourg in Paris, is your ideal partner for an accurate appraisal. Our team of experts recognizes the worldwide reputation of this laboratory and offers professional expertise, guaranteeing the best valuation for your certified diamond.



At Obagem, we are dedicated to offering unparalleled excellence in our financial proposals for your jewelry and diamonds. Our commitment to you always includes a free appraisal, with no obligation to buy. Should you wish an external analysis, we can have your jewel certified by the Laboratoire Français de Gemmologie at a preferential rate, offering you additional assurance of the quality and value of your piece.
If you've already received a direct buy-back offer from one of our competitors, we won't just match it. Our aim is to beat it, ensuring that you get the best possible value for your diamond. Unlike auction houses and auctioneers, who can charge around 35% in commission, at Obagem we take no commission at all, ensuring that you receive a fairer and more advantageous offer.
The buy-back process involves immediate payment by bank transfer, guaranteeing you a fast and secure transaction. At Obagem, your satisfaction and the fair valuation of your treasures are our top priorities.
Also: Visit us without an appointment at 43 rue Beaubourg 75003 PARIS.
First appraisal: Appraising a Certified Diamond by the Antwerp Gemmological Laboratory

Professional Expertise for Diamonds Certified by the Antwerp Laboratory at Obagem
Diamonds certified by the Antwerp Gemological Laboratory are renowned for their quality and authenticity. At Obagem, we value each diamond by considering its cut, clarity, color and carat weight, in accordance with the laboratory's high standards. This detailed evaluation enables us to determine the exact value of your diamond on today's market.
The certification of the Antwerp Laboratory is a guarantee of confidence and excellence in the world of gemmology. Our team uses this certification as a solid basis for a complete appraisal, adding our expertise of the current diamond market. This enables us to offer you a fair and advantageous valuation, in line with the quality and demand for certified quality diamonds.
When you choose Obagem to appraise your Antwerp Laboratory-certified diamond, you benefit from top-level expertise and personalized service. We are committed to providing a transparent and detailed appraisal, helping you make an informed decision about selling your diamond.
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 value/sell with Obagem?
At Obagem, we buy, appraise and value the following jewels:
Advantages of Having Your Diamond Certified by the Antwerp Laboratory at Obagem
Having your certified diamond appraised by the Antwerp Laboratory at Obagem offers several advantages:
- Specialized Expertise : Our team has in-depth knowledge of the Antwerp Laboratory's certifications, guaranteeing an accurate and reliable assessment.
- Transparent evaluation : We offer a complete appraisal process, allowing you to fully understand the value of your diamond.
- Professional advice : We offer personalized sales advice, maximizing the value of your certified diamond.
- Privacy & Security : We treat every valuation and transaction with the utmost confidentiality and security.
- Exceptional customer service : Each customer receives individual attention, guaranteeing a unique and satisfying sales experience.
Our commitment to excellence and customer satisfaction makes Obagem the ideal choice for your Antwerp Laboratory-certified diamond appraisal.
Your Trusted Destination for Certified Diamond Appraisals by the Antwerp Laboratory
A Gübelin Gem Lab certificate adds undeniable value to your gemstone. Not only does it serve as irrefutable proof of your stone's authenticity and quality, it also facilitates a faster, smoother transaction. Obagem recognizes the value of this certification and is committed to maximizing its resale potential.
The benefits of Assessment at Obagem
- Precise, specialized appraisals for diamonds certified by the Antwerp Laboratory.
- Professional sales advice.
- Transparent and comprehensive evaluation process.
- Confidentiality and security in every transaction.
- Exceptional, personalized customer service.
Ready to Evaluate Your Diamond Certified by the Antwerp Laboratory?
Visit Obagem at 43 Rue Beaubourg, 75003 Paris, for a professional appraisal of your diamond certified by the Laboratoire de Gemmologie d'Anvers. Contact us at contact@obagem.fr or use our online form to book an appointment. Entrust your certified diamond appraisal to Obagem for an accurate appraisal and superior service.
Also: Come without an appointment to 43 rue Beaubourg 75003 PARIS.
Estimate a Certified Diamond by the Antwerp Gemological Laboratory
At Obagem, the expertise of a diamond certified by the Antwerp Gemmological Laboratory is a procedure that guarantees precision and confidence, crucial for accurately assessing the quality and value of gems. This expertise is particularly important for high-carat diamonds, such as of 4 caratswhere precision in every detail can significantly influence the market price.
In addition to diamond appraisals, Obagem offers specialized services for various types and periods of jewelry, including Renaissance jewelry and Edwardian pieces. Our valuations are underpinned by an in-depth understanding of market trends, enabling us to maximize sales value for our customers.
We also offer recognized expertise for exceptional, one-of-a-kind pieces, such as those designed by Suzanne Belperron or prestigious collections such as jewelry by Van Cleef & Arpels. These services are complemented by our ability to manage specialized sales, ensuring an efficient and profitable transaction for high-end jewelry.