Blog
Zircon: a sparkle of history and a record of the Earth
Zircon fascinates jewellers and collectors as much as scientists. Often overshadowed by better-known gems such as sapphire or diamond, it nevertheless deserves a place of its own.
Tourmalines: a mineral kaleidoscope
Few gems rival tourmaline’s diversity of colour. Its name comes from the Sinhalese toramali or turamali, meaning ‘stone of mixed colours’, which captures its essence perfectly. Whether rubellite red, verdelite green, indicolite blue, bright yellow, soft pink or bicoloured like the famous ‘watermelon’ tourmalines with their contrasting green and pink, tourmaline embodies the mineral rainbow.
Topaz: a gem of science, history and prestige
With its crystalline hues and sometimes fiery brilliance, topaz holds a special place in the gemstone world. Although many people picture it as a clear blue stone, it comes in a wide variety of colours and forms.
Opal: where light meets geology
With its shifting play of colour and iridescent reflections, opal occupies a unique place in the gemstone world. As an amorphous material, it falls outside traditional mineralogical classifications. From Australia to Ethiopia, each deposit has its own signature, reflecting a complex geological history and a very particular environment of formation.
Aquamarine: a gem between sky and sea
Among the gemstones most admired for their brilliance and freshness, aquamarine holds a special place. Less widely discussed than diamond, emerald or ruby, it has nevertheless captivated people since antiquity with its light blue colour, reminiscent of clear, transparent waters.
Rêveries de Pierres: when poetry meets minerals at L’École, School of Jewelry Arts.
Where art and gemstones become one
Since 6 November 2025, L’École, School of Jewelry Arts, supported by Van Cleef &...
Spinel – A magnificent gem with a thousand reflections
Among the most captivating gems, yet long overlooked, spinel occupies a distinctive place. Far less well known than ruby or sapphire, it nevertheless appeals to enthusiasts and collectors through its beauty, rarity and rich palette of colours.
How to care for 12 gemstones: a complete guide and PRACTICAL advice
How to care for gemstones: a complete guide to preserving their brilliance
Rich in stories, colours and emotion, gem...
GemGenève 2025: a fair worthy of the very best.
A world where gemstones become an international language
On 9 May 2025, the GemGenève fair once again transformed the h...
The history and development of corundum synthesis methods
Introduction :
synthèse du corindon : Certes, les cristaux synthétiques sont utilisés en joaillerie, où ils doivent être identifiés c...
