Sotheby's, Geneva, May 2001

Lot 271 Ruby and Diamond Brooch.

Designed as a butterfly, the wings decorated with oval rubies within a border of rose diammonds pave-set with circulat rubies, the body decorated with eight-cut diamonds.

Accompanied by GRS report No. GRS2001-02191 stating the four largest rubies are of Burmese origin, with no indication of thermal treatment.