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Mayfair Auctions

115 - An Impressive Black Opal and Diamond Brooch in platinum, comprising a central cabochon black opal measuring approximately 23 x 17 mm, within a border of old cut diamonds totalling approximately 2.20 carats. Unmarked, tests indicate platinum.

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An Impressive Black Opal and Diamond Brooch in platinum, comprising a central cabochon black opal measuring approximately 23 x 17 mm, within a border of old cut diamonds totalling approximately 2.20 carats. Unmarked, tests indicate platinum. Size: 3.0cm Weight: 9.1g.