A World War I Royal Flying Corps 18ct yellow gold diamond sweetheart brooch, one hundred and thirty eight rose cut diamonds, 1.50ct with enamel detail in a wing and crown brooch. The Flying Corps was founded in 1912 and existed till 1918 before eventually transforming into the RAF. Their motto was 'Through adversity to the stars'. Wt 11.1 grams
- 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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