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Purchase · Diamantaires OG

Buy a GIA-certified diamond & exceptional jewelry

40 years old
Family-run house
State-certified
Gemologists
GIA · IGI · HRD
Certifications
Without appointment
Paris 3rd arrondissement · Immediate payment

Since 1985, Diamantaires OG (Obagem company) has supplied 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 an expert assessment and certificate provided in store.

Browse the shop 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 assessment and certificate provided in store.

Sautoir vintage Alhambra Van Cleef & Arpels, 20 motifs or rose, diamants et nacre
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

Alliance américaine sertie diamants taille émeraude 7 cts

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Bague saphir de Ceylan naturel taille coussin 18,50 carats

Bague saphir de Ceylan naturel taille coussin 18,50 carats

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Collier Chaumet or gris 95.10 grs
Chaumet

Collier Chaumet or gris 95.10 grs

9 500 € including tax View piece →
Parure Van Cleef & Arpels vintage
Van Cleef & Arpels

Parure Van Cleef & Arpels vintage

30 000 € including tax View piece →
Collier Folie des Prés Van Cleef & Arpels, saphirs et diamants
Van Cleef & Arpels

Collier Folie des Prés Van Cleef & Arpels, saphirs et diamants

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Collier Folie des Prés Van Cleef & Arpels, or blanc et diamants
Van Cleef & Arpels

Collier Folie des Prés Van Cleef & Arpels, or blanc et diamants

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Collier vintage Alhambra Van Cleef & Arpels, 10 motifs or jaune, diamants et malachite
Van Cleef & Arpels

Collier vintage Alhambra Van Cleef & Arpels, 10 motifs or jaune, diamants et malachite

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Bracelet vintage Alhambra Van Cleef & Arpels, 5 motifs or jaune, diamants et malachite
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

Bague 15 x 0.20cts GVS sertie de diamants 3 carats

5 000 € including tax View piece →
Bague diamant 1,56 carat GIA

Bague diamant 1,56 carat GIA

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Bague diamant poire 3 Carat ESI2 certificat GIA

Bague diamant poire 3 Carat ESI2 certificat GIA

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Bague diamant taille poire 1,51 carat HSI1 certificat LFG

Bague diamant taille poire 1,51 carat HSI1 certificat LFG

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Bague diamant taille émeraude 2 carats certifié GIA

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

Bague en or gris 750 sertie d'une émeraude de 5,5 cts

54 000 € including tax View piece →
Panda collection Qeelin or blanc 25 grs
Qeelin

Panda collection Qeelin or blanc 25 grs

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Bracelet Bulgari B.Zero1 Or Blanc et Diamants 33g
Bulgari

Bracelet Bulgari B.Zero1 Or Blanc et Diamants 33g

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Bracelet or blanc 21grs avec diamants

Bracelet or blanc 21grs avec diamants

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Bracelet or jaune 18 kts serti de diamants environ 4 cts

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

Collier Draperie en gris diamant central 1.55 CST D VS1

21 600 € including tax View piece →
Pendentif ourson Qeelin or blanc 18kts diamants noir & blanc
Qeelin

Pendentif ourson Qeelin or blanc 18kts diamants noir & blanc

7 000 € including tax View piece →
Bague or blanc 18kts, diamants ovale GIA GSI1 1.50cts

Bague or blanc 18kts, diamants ovale GIA GSI1 1.50cts

16 500 € including tax View piece →
Bague VCA Philippine Or Jaune - Chrysoprase et Diamants Luxueux
Van Cleef & Arpels

Bague VCA Philippine Or Jaune - Chrysoprase et Diamants Luxueux

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Diamant fiançailles GIA

Diamant fiançailles GIA

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Achat Diamant GIA 0.81cts HVVS2

Achat Diamant GIA 0.81cts HVVS2

4 435 € including tax View piece →
Diamant GIA 0.82cts HVS2 à vendre

Diamant GIA 0.82cts HVS2 à vendre

3 321 € including tax View piece →
Achat Diamant GIA 0.95cts FSI

Achat Diamant GIA 0.95cts FSI

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Achat Diamant GIA 0,89 Carat VS2 D

Achat Diamant GIA 0,89 Carat VS2 D

4 720 € including tax View piece →
Diamant GIA 0,89 Carat VS2 VG

Diamant GIA 0,89 Carat VS2 VG

4 720 € including tax View piece →
Diamant GIA 0,90 Carat couleur F VS1

Diamant GIA 0,90 Carat couleur F VS1

6 248 € including tax View piece →
DIAMANT GIA 1.01CTS GIF

DIAMANT GIA 1.01CTS GIF

10 421 € including tax View piece →
Diamant GIA 1.02 cts DIF

Diamant GIA 1.02 cts DIF

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Diamant GIA 1.02 cts ISI1

Diamant GIA 1.02 cts ISI1

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Diamant GIA 1.14cts ESI2

Diamant GIA 1.14cts ESI2

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Diamant GIA 1.25cts GSI2

Diamant GIA 1.25cts GSI2

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Golconde Diamant GIA 1.45 ct DIF

Golconde Diamant GIA 1.45 ct DIF

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Diamant GIA 1,57 Carat VS1 G

Diamant GIA 1,57 Carat VS1 G

10 790 € including tax View piece →
Diamant GIA 1,01 carat VVS1 G à vendre

Diamant GIA 1,01 carat VVS1 G à vendre

9 835 € including tax View piece →
Diamant GIA 1,04cts E VVS2

Diamant GIA 1,04cts E VVS2

11 733 € including tax View piece →
Achat diamant GIA GIA 1,19 Carat VSS2 F

Achat diamant GIA GIA 1,19 Carat VSS2 F

12 278 € including tax View piece →
Diamant GIA GIA 1,43 Carat VVS1 I

Diamant GIA GIA 1,43 Carat VVS1 I

9 928 € including tax View piece →
Diamant GIA 1,57 Carat VS1 J

Diamant GIA 1,57 Carat VS1 J

10 790 € including tax View piece →
Achat diamant GIA 1,12 Carat VSS1 H

Achat diamant GIA 1,12 Carat VSS1 H

8 852 € including tax View piece →
Bague Or Blanc 6.60grs avec Diamant 0,90cts

Bague Or Blanc 6.60grs avec Diamant 0,90cts

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Bague Or Blanc et Saphir Ceylan 18,50cts

Bague Or Blanc et Saphir Ceylan 18,50cts

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Alliance Américaine en Or Blanc et Diamants 3cts

Alliance Américaine en Or Blanc et Diamants 3cts

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Bague Art Déco Diamant Central de 2.60 Carats

Bague Art Déco Diamant Central de 2.60 Carats

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Bague Émeraude 15 Carats et Or Jaune

Bague Émeraude 15 Carats et Or Jaune

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Chevalière en Or Jaune 7,80grs avec Diamants - Élégance et Raffinement

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

Solitaire en Or Gris avec Diamant de 0.70cts - Pureté et Éclat Raffiné

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Solitaire Or Gris 0.75 Carats

Solitaire Or Gris 0.75 Carats

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Bracelet Bulgari Serpenti en Or Blanc et Diamants - Élégance Intemporelle
Bulgari

Bracelet Bulgari Serpenti en Or Blanc et Diamants - Élégance Intemporelle

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BVLGARI Bracelet Viper en or gris 750 pavé de diamants
Bvlgari

BVLGARI Bracelet Viper en or gris 750 pavé de diamants

52 800 € including tax View piece →
CARTIER Bracelet Juste un clou en or rose 750
Cartier

CARTIER Bracelet Juste un clou en or rose 750

30 000 € including tax View piece →
CARTIER Bracelet Juste un clou classique or gris 750 serti de diamants
Cartier

CARTIER Bracelet Juste un clou classique or gris 750 serti de diamants

32 100 € including tax View piece →
Parure Chopard boucles d'oreilles et collier or blanc & diamants
Chopard

Parure Chopard boucles d'oreilles et collier or blanc & diamants

4 500 € including tax View piece →
Collier Chopard en Or Jaune 57grs avec Diamants
Chopard

Collier Chopard en Or Jaune 57grs avec Diamants

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Buy with confidence

Why buy from Diamantaires OG

Place Vendôme supplier

We have been sourcing for the finest jewelers since 1985—you have access to the same standards of excellence.

GIA Certified

Our diamonds are sold with their laboratory certificate (GIA, IGI, HRD).

Direct

Direct purchase from the diamond dealer: a fair price, without retail markup.

In-store appraisal

A state-certified gemologist presents each piece to you, 43 rue Beaubourg in Paris.

Interested in a piece?

Nos gemmologues vous renseignent

Price, certificate, availability: each piece is presented to you in our boutique or remotely, with no obligation.