Stones chosen for their colour.
Sapphire in every shade, ruby, emerald and a few connoisseur stones. For each: what makes it valuable, its origins, its treatments and what to look for on its report.
Blue sapphire
From royal blue to cornflower, the great blue stone of fine jewellery.
Discover →
Ruby
A dense, luminous red, whose finest shades have become benchmarks.
Discover →
Emerald
An intense green, judged as much on its colour as on its garden.
Discover →
Yellow sapphire
From lemon to golden yellow, the stone of Jupiter in the Vedic tradition.
Discover →
Spinel
Long mistaken for ruby, now sought after in its own right.
Discover →Pink sapphire and padparadscha
From vivid pink to the orange-pink of padparadscha, the rarest of sapphires.
Discover →
Green sapphire
A deep, discreet green, one of the least known sapphires.
Discover →Star sapphire
A six-rayed star that glides across the surface of the stone in the light.
Discover →
Tourmaline
The widest palette of any gem, up to the electric blue of copper-bearing tourmalines.
Discover →Blue zircon
A vivid blue with fire close to a diamond’s. A natural stone, unrelated to cubic zirconia.
Discover →
Topaz
Imperial, golden yellow or pink: exceptional topaz, far from the treated blues of the trade.
Discover →Any other stone, on request.
Any exceptional stone is sourced on request.