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The Company chooses its diamonds using a universal standard certified by the GIA (Gemmological Institute of America). This ensures that Chaumet sets its creations with the highest-quality diamonds, by being extremely selective through the GIA criteria known as the 4Cs: " Colour, Clarity, Cut and Carat weight ".
Every Chaumet diamond of more than 0.30 carats comes with a GIA certificate and an individual certificate number engraved on the stone. Invisible to the naked eye, this engraving guarantees the authenticity and uniqueness of the Chaumet diamond.
In addition to the 4Cs, the final criterion is the Company's own, the nobility of the stone. Chaumet's diamond expert selects each diamond using light, magnifying glass and microscope for the specific emotion it arouses, its brilliance, its fire and its sparkle.