[mod.Fr.; also brignolette, brillolette, ? briller to sparkle.] A pear-shaped diamond, having facets cut in all directions.

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1865.  Illustr. Lond. News, 11 March, 243. This diamond … is what is called a briolette—that is, a solid drop.

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1884.  Birmingh. Weekly Post, 23 Aug., 3/7. It will weigh … in lozenge shape, briolette, about 300 carats.

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