Definition of "facetting" []

• Present participle of facet. (verb)

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• "The color may also be deepened by giving to the stone a rounded contour, both above and below the girdle, and facetting it in steps instead of in the brilliant form."
• "The Gabrielle facetting pattern allows more light return to the eyes face-up, and anecdotally, it makes the Gabrielle look up to 2 grades whiter than the certificate states."
• "Similarly, the facetting pattern masks inclusions sufficiently that, anecdotally, lay-persons are unable to see certain inclusions (even down to SI2 or EVEN P1) even with a 10x loupe."