The house · Diamantaires OG
Your Trusted Partner for Jewelry Buyback in Oise
Our diamond experts travel to all towns in the Oise department to offer you 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 Oise department, guaranteeing you a local service wherever you are.
Since 1985, the house of 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 a fair price and in complete confidentiality.
Why entrust us with your jewelry
Our expertise in Oise
Recognized Expertise
Our team of certified gemologists has unparalleled expertise in evaluating jewelry and diamonds. We guarantee you a precise, market-driven appraisal.
Personalized Service
We pay special attention to every client. Your story and 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 method of your choice, with complete transparency and security.
How it works
Estimate and sell in three steps
Describe your item
Description and photos via the form below.
Expertise by a gemologist
Response within 24 hours and appointment, in Paris or remotely.
Offer & Payment
Firm offer then immediate payment upon agreement.
Confidential appraisal
Your free appraisal in Oise
Discover our jewelry and diamond appraisal and buyback services in the towns of the Oise department.
- ◆ Response within 24h
- ◆ Without obligation
- ◆ Travel possible for major pieces