7.20ct Black Opal & 0.78ct Diamond, Platinum Dress Ring c.1930

This is a stunning 7.20 carat black opal and 0.78 carat diamond, platinum cocktail ring; part of our diverse antique jewellery and estate jewelry collections This stunning, fine and impressive antique black opal ring has been crafted in platinum. The pierced decorated, circular setting displays a feature 7.20ct cabochon cut black opal, claw to the centre of the cluster design. The feature opal is set in relief to a border composed of twenty-six multi-claw set eight-cut diamonds. The pierced decorated, elevated ring shoulders integrate with the main setting and blend seamlessly with the plain ring shank. The ring is hallmarked to the interior of the shank with the mark for platinum (Platinum). This stunning antique gemstone ring is supplied with an independent diamond grading report card. Opal Quality Colour Black Cut Cabochon Content 7.20 carats Dimensions 15.26mm x 7.03mm Diamond Quality Colour (average grades) G Clarity (average grades) Si2 Cut Eight-cut Content (total) 0.78 carat Dimensions Diameter of Setting 1.95cm/0.77" Height of Setting 10mm/0.39" Ring size UK Size M USA Size 6 The ring size may be professionally adjusted in size on request to meet your personal requirements. Weight 7.01 grams