YOUR SOURCE FOR DIAMONDS
AND COLOURED STONES

With a 100% made-to-measure and personalised service, we provide you, without intermediaries, with quality diamonds and coloured stones, rough or cut.

SAVOIR-FAIRE

25 ans de connaissance
du diamant

After many years spent in Africa trading rough diamonds, we have been offering cut diamonds to jewellers and private individuals in Paris and Antwerp since 2001. Specialists in rough and cut diamonds, as well as coloured stones such as sapphires, rubies and emeralds, we are at your disposal to assist you with your project. Do not hesitate to make an appointment with our experts to find the diamond or precious stone best suited to your needs. Our jewellery department will also be on hand to create your bespoke piece of jewellery.

KNOWLEDGE

25 years of knowledge
of diamonds

After many years spent in Africa trading rough diamonds, we have been offering cut diamonds to jewellers and private individuals in Paris and Antwerp since 2001. Specialists in rough and cut diamonds, as well as coloured stones such as sapphires, rubies and emeralds, we are at your disposal to assist you with your project. Do not hesitate to make an appointment with our experts to find the diamond or precious stone best suited to your needs. Our jewellery department will also be on hand to create your bespoke piece of jewellery.

The online catalogue

of diamonds

Consult the online diamond stock list, which contains a large proportion of the diamonds available for sale on the market.
diamonds available for sale on the market.

DIAMOND
Pear

Diamond with M color and SI1 clarity. Dimensions are 9.41 x 6.09 x 2.76. This stone has « » cut, « Very Good » polish, « Good » symmetry and « Strong » fluorescence.
1.03 Carats
GIA Certified

DIAMOND
Marquise

Diamond with K color and SI1 clarity. Dimensions are 10.23 x 5.35 x 3.59. This stone has « » cut, « Very Good » polish, « Good » symmetry and « None » fluorescence.
1.21 Carats
HRD Certified

DIAMOND
Pear

Diamond with K color and SI2 clarity. Dimensions are 9.06 x 6.01 x 3.68. This stone has « » cut, « Very Good » polish, « Good » symmetry and « Medium » fluorescence.
1.26 Carats
HRD Certified

DIAMOND
Round

Diamond with M color and I1 clarity. Dimensions are 6.72 x 6.7 x 4.04. This stone has « Very Good » cut, « Very Good » polish, « Very Good » symmetry and « Medium » fluorescence.
1.1 Carats
GIA Certified

DIAMOND
Marquise

Diamond with L color and SI1 clarity. Dimensions are 9.19 x 5.13 x 3.64. This stone has « » cut, « Very Good » polish, « Good » symmetry and « Medium » fluorescence.
1.02 Carats
GIA Certified

DIAMOND
Round

Diamond with L color and SI2 clarity. Dimensions are 6.73 x 6.78 x 4.25. This stone has « Excellent » cut, « Excellent » polish, « Excellent » symmetry and « Slight » fluorescence.
1.22 Carats
IGI Certified

DIAMOND
Heart

Diamond with F color and SI2 clarity. Dimensions are 6.48 x 6.64 x 2.98. This stone has « » cut, « Very Good » polish, « Very Good » symmetry and « None » fluorescence.
0.8 Carats
HRD Certified

DIAMOND
Marquise

Diamond with K color and I1 clarity. Dimensions are 9.48 x 5.07 x 3.39. This stone has « » cut, « Very Good » polish, « Very Good » symmetry and « Medium » fluorescence.
1.01 Carats
GIA Certified

DIAMOND
Cushion

Diamond with J color and SI1 clarity. Dimensions are 6.46 x 5.39 x 3.79. This stone has « » cut, « Very Good » polish, « Good » symmetry and « Strong » fluorescence.
1.01 Carats
HRD Certified

DIAMOND
Pear

Diamond with F color and I1 clarity. Dimensions are 7.86 x 5.5 x 3.91. This stone has « » cut, « Excellent » polish, « Very Good » symmetry and « None » fluorescence.
1.01 Carats
GIA Certified

Find your
coloured stone

Browse our stock and be seduced by our rubies, sapphires and emeralds.
emeralds. If you can’t find the shade you’re looking for, we’ll be happy to help you find it on the market.
we’ll be happy to help you find it on the market.

Our rubies come from

Myanmar
Thailand
Mozambique
View our ruby stock
rubis

Ruby

From deep pink to bright red, ruby remains a rare stone, highly sought after by jewelers. Our rubies are natural and untreated.

View our ruby stock

Our sapphires come from

Sri Lanka
Thailand
Myanmar
Madagascar
View our sapphire stock
rubis

SAPPHIRE

Famous for its superb royal blue color, sapphire is a gem highly sought after for engagements. Our sapphires are natural and untreated.

View our sapphire stock

Our emeralds come from

Colombia
Brazil
Zambia
View our emerald stock
Émeraudes

Emeralds

Famous for its superb deep green color, emerald is a highly sought-after gem. Our emeralds are natural and untreated.

View our emerald stock
  • rubis
  • saphir
  • pierres-de-couleur
MADE TO MEASURE

Create your own custom-made jewellery

Rings, pendants, earrings or bracelets, we offer you a wide choice of settings on which we will set the stone or stones you like. If you can’t find what you’re looking for, we’ll help you make your own bespoke piece of jewellery.

Diamond and sapphire pendant

Starting from 2 000 €

VIEW JEWELRY

Cushion cut diamond engagement ring

Starting from 1 000 €

VIEW JEWELRY

Meet us
at our offices in
Paris or Antwerp

We are represented by KOH DIAMONDS, at the Antwerp Diamond Exchange, and by KARAT, at Place Vendôme in Paris, the world’s leading jeweller.

Don’t hesitate to come and meet us at our offices in Paris or Antwerp. We can show you a wide range of diamonds and other precious stones to suit your budget.

DISCOVER OUR
CELEBRATION RINGS

Every stage of life calls for a special piece of jewellery. Feel free to browse our selection of engagement gifts, birth gifts and wedding rings. We can also create your bespoke piece of jewellery with 3D mockup presentations.

Diamant Gems
is

25 years of diamond expertise

Personalised
support

Place Vendôme
office in Paris

Present at the Antwerp Diamond Bourse for 25 years