Jewellery, Watches and Objects of Vertu

A large cabochon opal, diamond and ruby dress ring, the cabochon opal claw set within a border of brilliant-cut diamonds to a domed ring mount pavé set with round-cut rubies, mounted in yellow precious metal, stamped ‘750’, accompanied by a GIA Gemmological Report, ring size R½ £3000-5000

The Gemological Institute of America Report no. 2256000578, dated 21st February 2017, confirms the cabochon opal is of natural origin, and weighs 1.51 carats, measuring 25.53mm x 18.68mm x 13.05mm.