The house · Diamantaires OG
Your Jewelry Buying Expert in Val d'Oise
Our diamond experts travel to all towns in the Val d'Oise department to provide you with a precise and transparent appraisal of your jewelry and diamonds.
We come to your home for a confidential and secure valuation of your antique jewelry, luxury watches, and precious stones.
Our service covers the entire Val d'Oise department, guaranteeing you a local service wherever you are.
Since 1985, OBAGEM — Diamantaires OG, 43 rue Beaubourg in Paris — has been appraising and buying certified diamonds, high-end jewelry (Cartier, Van Cleef & Arpels, Boucheron…), and estate pieces, at fair prices and in complete confidentiality.
Why entrust us with your jewelry
Our expertise in Val d'Oise
Recognized Expertise
Our team of certified gemmologists possesses unparalleled expertise in evaluating jewelry and diamonds. We guarantee you an accurate estimate at market price.
Personalized Service
We pay special attention to each client. Your story and your jewelry are unique, and so is our approach.
Guaranteed Security
Discretion and security are our priorities. All our appointments and transactions take place in a confidential and secure setting.
Immediate Payment
Once the agreement is reached, we offer immediate payment by the means of your choice, in full transparency and security.
How it works
Estimate and sell in three steps
Describe your item
Description and photos via the form below.
Appraisal by a gemmologist
Response within 24 hours and appointment, in Paris or remotely.
Offer & payment
Firm offer followed by immediate payment if accepted.
Confidential estimate
Your free estimate in Val d'Oise
Discover our jewelry and diamond appraisal and purchase services in the towns of the Val d'Oise department.
- ◆ Response within 24 h
- ◆ No obligation
- ◆ Home visit possible for significant items