An exquisite antique sapphire and diamond ring. The sapphire in the centre - certified as natural, unheated and originating from Ceylon (Sri Lanka) is a rich and regal blue. The stone is claw set in yellow gold and surrounded by twelve high white eight-cut diamonds in a coronet cluster setting. On a slender 18k yellow gold ring with spear-shaped shoulders. Accompanied by a sapphire report from The Gem & Pearl Laboratory stating the sapphire shows no evidence of heating, and is Sri Lankan (Ceylon) in origin.Cut:? The sapphire is slightly cushion cut. The diamonds are eight-cuts.Colour:? The diamonds are F to G. Clarity:? The sapphire is eye-clean. The diamonds are VS1 to VS2.Carat:? The sapphire is a known 5.51 carat. With a total approximate diamond weight of 1.20 carat.Circa:? 1910.Size:? L (UK) or 5 1/2 (US). Free sizing available.Measurements:? The sapphire is 9.3 x 8.8mm. The head of the ring is 15.1 x 14.9mm and sits 7.9mm from the finger. Weight:? 5.37 grams.Metal:? 18k gold. Tested with a Niton DXL Precious Metal Analyzer.Item # 1212313S051