A sapphire and diamond cluster ring, the central oval sapphire of known weight 6.50 carats surrounded by sixteen brilliant diamonds of known total weight 1.42 carats. 18ct white gold. Weight 8 grams. Size N. Accompanied by GRS Gemstone Report No GRS2016-099049 dated 19/09/16, stating natural blue sapphire, origin Sri Lanka, no evidence of heat treatment identified