Acquire · Diamantaires OG
Buy a GIA-certified diamond & exceptional jewelry
40 years
Family-run house
State-certified
Gemologists
GIA · IGI · HRD
Certifications
Without appointment
Paris 3rd arrondissement · Immediate payment
Since 1985, Maison Diamantaires OG (Obagem company) has been supplying Place Vendôme designers with cut and certified diamonds. Today, we offer private clients a selection of GIA-certified diamonds and exceptional jewelry for purchase, without intermediaries, with expert appraisal and certificate provided in-store.
Browse the boutique by category: GIA-certified diamonds · Rings · Wedding Bands · Necklaces & pendants · Bracelets.
The boutique — Diamantaires OG
Our pieces available for sale
GIA-certified diamonds and exceptional jewelry, selected by our gemologists. VAT inclusive price, expert appraisal and certificate provided in-store.
Van Cleef & Arpels
Sautoir vintage Alhambra Van Cleef & Arpels, 20 motifs or rose, diamants et nacre
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Alliance américaine sertie diamants taille émeraude 7 cts
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Bague saphir de Ceylan naturel taille coussin 18,50 carats
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Chaumet
Collier Chaumet or gris 95.10 grs
9 500 € incl. VAT
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Van Cleef & Arpels
Parure Van Cleef & Arpels vintage
30 000 € incl. VAT
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Van Cleef & Arpels
Collier Folie des Prés Van Cleef & Arpels, saphirs et diamants
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Van Cleef & Arpels
Collier Folie des Prés Van Cleef & Arpels, or blanc et diamants
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Van Cleef & Arpels
Collier vintage Alhambra Van Cleef & Arpels, 10 motifs or jaune, diamants et malachite
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Van Cleef & Arpels
Bracelet vintage Alhambra Van Cleef & Arpels, 5 motifs or jaune, diamants et malachite
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Bague 15 x 0.20cts GVS sertie de diamants 3 carats
5 000 € incl. VAT
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Bague diamant 1,56 carat GIA
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Bague diamant poire 3 Carat ESI2 certificat GIA
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Bague diamant taille poire 1,51 carat HSI1 certificat LFG
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Bague diamant taille émeraude 2 carats certifié GIA
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Bague en or gris 750 sertie d'une émeraude de 5,5 cts
54 000 € incl. VAT
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Qeelin
Panda collection Qeelin or blanc 25 grs
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Bulgari
Bracelet Bulgari B.Zero1 Or Blanc et Diamants 33g
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Bracelet or blanc 21grs avec diamants
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Bracelet or jaune 18 kts serti de diamants environ 4 cts
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Collier Draperie en gris diamant central 1.55 CST D VS1
21 600 € incl. VAT
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Qeelin
Pendentif ourson Qeelin or blanc 18kts diamants noir & blanc
7 000 € incl. VAT
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Bague or blanc 18kts, diamants ovale GIA GSI1 1.50cts
16 500 € incl. VAT
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Van Cleef & Arpels
Bague VCA Philippine Or Jaune - Chrysoprase et Diamants Luxueux
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Diamant fiançailles GIA
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Achat Diamant GIA 0.81cts HVVS2
4 435 € incl. VAT
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Diamant GIA 0.82cts HVS2 à vendre
3 321 € incl. VAT
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Achat Diamant GIA 0.95cts FSI
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Achat Diamant GIA 0,89 Carat VS2 D
4 720 € incl. VAT
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Diamant GIA 0,89 Carat VS2 VG
4 720 € incl. VAT
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Diamant GIA 0,90 Carat couleur F VS1
6 248 € incl. VAT
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DIAMANT GIA 1.01CTS GIF
10 421 € incl. VAT
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Diamant GIA 1.02 cts DIF
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Diamant GIA 1.02 cts ISI1
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Diamant GIA 1.14cts ESI2
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Diamant GIA 1.25cts GSI2
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Golconde Diamant GIA 1.45 ct DIF
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Diamant GIA 1,57 Carat VS1 G
10 790 € incl. VAT
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Diamant GIA 1,01 carat VVS1 G à vendre
9 835 € incl. VAT
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Diamant GIA 1,04cts E VVS2
11 733 € incl. VAT
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Achat diamant GIA GIA 1,19 Carat VSS2 F
12 278 € incl. VAT
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Diamant GIA GIA 1,43 Carat VVS1 I
9 928 € incl. VAT
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Diamant GIA 1,57 Carat VS1 J
10 790 € incl. VAT
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Achat diamant GIA 1,12 Carat VSS1 H
8 852 € incl. VAT
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Bague Or Blanc 6.60grs avec Diamant 0,90cts
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Bague Or Blanc et Saphir Ceylan 18,50cts
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Alliance Américaine en Or Blanc et Diamants 3cts
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Bague Art Déco Diamant Central de 2.60 Carats
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Bague Émeraude 15 Carats et Or Jaune
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Chevalière en Or Jaune 7,80grs avec Diamants - Élégance et Raffinement
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Solitaire en Or Gris avec Diamant de 0.70cts - Pureté et Éclat Raffiné
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Solitaire Or Gris 0.75 Carats
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Bulgari
Bracelet Bulgari Serpenti en Or Blanc et Diamants - Élégance Intemporelle
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Bvlgari
BVLGARI Bracelet Viper en or gris 750 pavé de diamants
52 800 € incl. VAT
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Cartier
CARTIER Bracelet Juste un clou en or rose 750
30 000 € incl. VAT
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Cartier
CARTIER Bracelet Juste un clou classique or gris 750 serti de diamants
32 100 € incl. VAT
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Chopard
Parure Chopard boucles d'oreilles et collier or blanc & diamants
4 500 € incl. VAT
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Chopard
Collier Chopard en Or Jaune 57grs avec Diamants
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No items in this category at the moment — tell us what you are looking for.
Buy with confidence
Why buy from Diamantaires OG
◆
Place Vendôme supplier
We have been sourcing for the finest jewelers since 1985 — you will experience the same level of demand.
◆
GIA Certified
Our diamonds are sold with their laboratory certificate (GIA, IGI, HRD).
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Direct, no middlemen
Direct purchase from the diamantaire: a fair price, without reseller margin.
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In-store appraisal
A state-certified gemologist presents each piece to you at 43 rue Beaubourg in Paris.
Are you interested in a piece?
Nos gemmologues vous renseignent
Price, certificate, availability: each piece is presented to you in-store or remotely, without obligation.