Vintage Platinum Sapphire & Diamond Cluster Ring

A beautiful vintage Platinum Sapphire & Diamond cluster ring, comprising of a gorgeous oval cut Royal Blue 3.00ct Sapphire (11.5mm X 7mm) center stone, claw set and surrounded by 12 X 0.14ct Brilliant Cut Diamonds - Total Diamond Weight= 1.68ct - Clarity= VS - Colour= F-G. All set in a Platinum open back gallery. Lovely raised tapered shoulders leading to a plain Platinum shank. Ring size= Q, can be resized. Stamped 'PLAT'. Circa 1940.