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75 - An opal and diamond cluster ring, centred with a round opal cabochon of 8.9 mm, displaying mild play-of-colour mostly ranging from yellow to blue on a white ground, encompassed with fifteen old-cut diamonds, with a total estimated weight of 0.75ct, leading to a D-profile shank, unmarked metal testing as 18ct, ring head 1.4 cm wide, size M½, 3.2 grams. Please note: Unless otherwise stated, lots have been tested using an electronic tester. This is a surface test only and is not a guarantee of metal purity. Please note: Unless otherwise stated, all diamond gradings are for guideline purposes only. All stones are graded within their mounts and results are subject to change following the stone(s) being unset.
An opal and diamond cluster ring, centred with a round opal cabochon of 8.9 mm, displaying mild play-of-colour mostly ranging from yellow to blue on a white ground, encompassed with fifteen old-cut diamonds, with a total estimated weight of 0.75ct, leading to a D-profile shank, unmarked metal testing as 18ct, ring head 1.4 cm wide, size M½, 3.2 grams. Please note: Unless otherwise stated, lots have been tested using an electronic tester. This is a surface test only and is not a guarantee of metal purity. Please note: Unless otherwise stated, all diamond gradings are for guideline purposes only. All stones are graded within their mounts and results are subject to change following the stone(s) being unset.