A COLOURED SAPPHIRE AND DIAMOND CLUSTER RINGThe oval-shaped pink sapphire weighing 2.56cts within a four-claw setting and a round brilliant-cut diamond surround, mounted in 18K gold, diamonds approximately 0.50ct total, ring size L?Accompanied by a report from The Gem & Pearl Laboratory in London stating that the pink sapphire weighing 2.56cts is of Sri Lankan origin with no evidence of heat treatment. Report no. 16561 dated November 23rd 2018.