An antique sapphire ring of real intrigue and beauty. The sapphire in the centre - certified as natural, unheated and originating from Montana, USA - has a strong purple hue which is interrupted by clear and distinct flashed of bright red. The sapphire is surrounded by 16 eight-cut diamonds in a silver coronet setting, which sits on a slender 18k yellow gold mount with ornate split shoulders. Accompanied by a report from Gemmological Certification Services (GCS) stating the sapphire shows no indication of heating, and is American (Montana) in origin.Cut:? The sapphire is an oval, with eight-cut diamonds. Colour:? The diamonds are J to K. Clarity:? The sapphire has visible inclusions. The diamonds are SI1 to SI2. Carat:? The sapphires is approximately 4.70 carat, with approximately 0.16 carat of diamonds. Circa:? 1905.Size:? N 1/2 (UK) or 6.75 (US). Free sizing available.Measurements:? The sapphire is approximately 11.0 x 8.9mm and sits 6.4mm from the finger. Weight:? 5.29 grams. Metal:? 18k yellow gold. The diamond and the sapphire are set in silver. Tested with a Niton DXL Precious Metal Analyzer.Item # 1112113S269