Platinum Sapphire Diamond Ring by Oscar Heyman & Brothers
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A platinum, sapphire and diamond ring, Oscar Heyman & Brothers, of cluster design, centring a square emerald-cut Ceylon sapphire flanked by similarly shaped stones between claw-set circular-cut sapphires and diamonds, size M1/2, numbered 3355, accompanied by an Oscar Heyman certificate of authenticity and an Agl report numbered Cs 71153, dated 27 October 2015, stating that the sapphire is natural, with no indications of heating, of Ceylon (Sri Lanka) origin.
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- Claw Set Jewellery - The description "claw set" in jewellery refers to a setting where the gemstone is held in place by metal prongs that resemble claws. These prongs are bent over the edges of the gemstone to secure it in the setting. This type of setting is commonly used for diamonds and other precious stones.
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