The house · Diamantaires OG
Request Your Confidential Analysis
You own a signed piece of jewelry (Cartier, Van Cleef & Arpels, Bulgari…), a diamond, an antique piece, or a set from an estate? Describe it to us: a state-certified gemologist will analyze it and get back to you within 24 hours — free of charge, with no obligation, and in complete confidentiality.
Confidential Analysis
Describe your piece, a gemologist will respond
A few words are enough — or simply send a photo via WhatsApp. Your request remains strictly confidential.
- ◆ Response within 24 hours from a state-certified gemologist
- ◆ Free of charge and without obligation
- ◆ Absolute confidentiality — your data is never shared
How It Works
A three-step analysis
Describe your piece
Via the form, WhatsApp with a photo, or call us at 01 48 87 23 37 — whichever you prefer.
Analysis by a gemologist
A state-certified gemologist assesses your piece and responds within 24 hours.
Firm offer at our boutique
If you wish to sell: appraisal in your presence, a firm offer, and immediate payment, 43 rue Beaubourg, Paris 3rd.
Our Commitments
Why entrust us with your analysis
State-certified gemologists
Your pieces are analyzed by certified experts, not an algorithm.
Absolute confidentiality
No data shared, no solicitation — your request stays between us.
No obligation
The analysis is free and binds you to nothing: you remain free to decide.
Independent House since 1985
Supplier to Place Vendôme designers, at a fair price, with no middlemen.