500 000 GIA-certified diamonds with prices 

The largest selection in Switzerland

Choosing a diamond means choosing a story. We help you find yours.

Brilliant, pear, princess, marquise, oval, radiant, cushion, emerald, or heart: from 0.50 ct to 10.99 ct, each diamond is selected for its proportions Excellent to Very Good and no fluorescence.

Founded in 2004 by a GIA gemologist, diams.com provides direct access to diamonds available on the global diamond exchange, with visible and comparable prices. Swiss manufacturing ensures a delicate and demanding consistency between the stone and its sublimation into jewelry.

Why choose diams ?         Our values          Explore GIA diamonds

GIA-certified diamond solitaires

The diamond solitaire is the purest form of engagement ring: a single stone, enhanced by a simple and perfectly balanced setting.

At diams.com, each solitaire is made with a GIA-certified diamond, selected for its proportions (Excellent to Very Good) and lack of fluorescence.

Our workshops in Lausanne carefully craft each setting to ensure natural comfort, lasting durability, and harmony with the stone—for an engagement or wedding ring designed to stand the test of time.

Discover our diamond solitaires 

Black Tahitian Pearl: an enigma of light and color

Born in the depths of the Pacific Ocean, the black Tahitian pearl captivates the eye like a whispered secret. 

Its deep, changing, sometimes moonlike reflections evoke a free, elegant, instinctive femininity. Natural and untreated, each pearl reveals a raw, rare, untamed beauty.

At diams.com, we select pearls with care and delight. Pearls, born of a living being, carry their light as a part of themselves.

Discover our Tahitian black pearl pendants

Colored stones : rarity at the service of creation

Tanzanites with velvety depths, dazzling green tsavorites, mandarin garnets bathed in light, or umbalites with delicately nuanced shades... each gem is unique, observed, understood, and described with precision.

As specialists in precious and semi-precious stones, we cultivate a tailor-made approach. Whether it's a creative project, a personal collection, or simply an emotional connection, we will help you choose the stone that suits you best. Discover our collection of unmounted colored stones

Discover our collection of unmounted colored stones

Meteorite jewelry, unique fragments of stars

diams.com is one of the few designers in the world to transform real meteorites into exceptional jewelry. 

Over 4.5 billion years old, these extraterrestrial materials reveal Widmanstätten patterns, evidence of their cosmic journey. 

Each piece of meteorite jewelry is unique, carrying a story from the cosmos and sought after for its rarity and symbolic nature.

Discover our jewelry from outer space