A vintage white sapphire set brooch, 9ct rose gold with silver top, early 20th century, made as a large crescent moon brooch, grain set throughout with graduated sized oval faceted white sapphires, spaced by smaller rose cut sapphires between top and bottom points, set in silver with gold backing, fitted with clasp. Weight: 1.50 in.
- Rose Cut - A flat based cut for a preious stone, leaving the surface covered with triangular facets, usually 24 in total.
It was introduced in the 15th century and popular during the 16th and 17th centuries.
The rose cut was the most popular form of diamond cut until the discovery of the brilliant cut at the end of the 17th century, after which its use declined.
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