Antique 0.75 Carat Unheated Kashmir Sapphire Ring, dated 1916One of the rarest and perhaps the most prized gemstones in the world is an unheated sapphire from Kashmir. This bright, cornflower blue stone sits within a sold, 18k yellow gold mount and is secured by 8 curving claws which flow to a D shaped shank. Currently size Q (UK) or 8 (US). Free sizing available. Accompanied by a report from Gemmological Certification Services (GCS) stating the sapphire shows no indication of heating, and originates from