The Laboratoire Français de gemmologie (LFG) is the oldest independent gemmological testing laboratory in the world
Since 1929, We analyze gemstones to identify them (natural, synthetic, or treated) and determine their origin in order to ensure transparency for the end buyer.
As the only accredited laboratory in France for gemstone analysis, we have state-of-the-art instruments and are engaged in scientific research.
Have your gemstones tested by the only accredited independent laboratory in France.
They trust us
Last week, Le Laboratoire Français de Gemmologie and the Haute Ecole de Joaillerie were delighted to take an active part in the CIBJO 2025 Congress, particularly in the ‘Education’ session, which focused on the future of training in jewellery and gemmology.
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