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Les diamants jaunes - Lauredi

Blue Diamonds

The blue diamond gets its exceptional color from minute traces of boron embedded in its crystal structure. This natural color of deep blue, once reserved for legends like the Hope Diamond, is now accessible thanks to our lab-grown diamonds.

Why is the diamond blue?

You may wonder why diamonds are blue? This fascinating color is explained by traces of boron in its crystalline structure. This element, captured during diamond formation, changes how the stone absorbs light.

Each blue diamond is unique, as its color depends on the boron concentration, which is never the same from one stone to another.

Synthetic blue diamonds.

Synthetic diamonds, also known as lab-grown diamonds, are man-made diamonds created by reproducing the extreme temperature and pressure conditions that allow natural diamonds to form in the earth.

For colored diamonds, like blue mine diamonds, the hue is also achieved by introducing the necessary chemical elements, such as boron.


Introducing

The blue diamond: a statistical rarity

Less than 0.1% of diamonds mined worldwide display this natural color. This translates to two blue diamonds for every 10,000 diamonds extracted from mines.

The Cullinan mine in South Africa has historically been the main source of blue diamonds, though production remains irregular. The simultaneous discovery of five blue diamonds in 2020 demonstrates this rarity: the event was remarkable enough to be reported by international trade media.

Diamonds exceeding one carat represent an even more pronounced rarity, which justifies the blue diamond prices observed in reference markets.

Christine Art Deco Blue Diamond Ring


Introducing

Famous blue diamonds

Did you know?

French craftsmanship

Each blue diamond jewel is hand-set in our French workshops. Our master jewelers work each stone to maximize its brilliance and reveal the full depth of its color.

Shades from light to deep

From luminous light blue to intense and deep blue, each blue diamond ring reflects a style and personality. Classifications range from Fancy Light Blue to Fancy Vivid Blue.

A powerful symbol in jewelry

Associated with serenity, loyalty, and trust, the blue diamond is an ideal choice for an original and timeless engagement ring.