Platinum, Ruby, Emerald and Diamond Brooch, Charlton & Co. - Sotheby's

The oval-shaped brooch of openwork design, set with two emerald-cut rubies weighing approximately 2.80 and 2.50 carats, accented by numerous old European and single-cut diamonds weighing approximately 9.15 carats, further decorated with four square-cut emeralds, signed Charlton; circa 1930. Estimate: 25,000 - 35,000 USD

Accompanied by AGL report no. CS 53851 A and B stating that the rubies are of Burmese origin, with no indications of heating.

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