Platinum, Rock Crystal, Ruby, Diamond and Enamel Brooch - Sotheby's

The rock crystal hoop decorated with floral motifs set with eight cabochon rubies, accented by old European and single-cut diamonds weighing approximately 2.00 carats, with black enamel detailing, fitted with retractable pendant loop; circa 1925. Estimate: 15,000 - 20,000 USD

Sotheby's. Magnificent Jewels. New York | 17 Apr 2013 www.sothebys.com