1930s Fine sapphire diamond oval cluster ring in platinum setting.
1930s Fine sapphire diamond oval cluster ring in platinum setting. The fine blue oval sapphire 9.1mm long x 6.8mm wide x 6.4mm deep, estimated to weigh 3.0cts in a four-claw setting within a surround of brilliant and baguette-cut diamonds. Later shank unmarked, not hallmarked or stamped. Circa 1935.
Together with a certificate from Gemological Certification Services, 30 New Bond Street, London, stating that the sapphire is ‘Natural’ – Origin is ‘Sri Lanka’ – ‘no indications of heating’.