0 (4)

0 (5)

Diamond brooch, Boucheron, circa 1930. Estimate  20,000 — 30,000 GBP. Photo: Sotheby's.

Of geometric open work design, set with circular-cut and cushion-shaped diamonds, signed Boucheron, case stamped Boucheron. 

Sotheby's. Fine Jewels London, 18 Mar 2015, 10:30 AM