Centering a treated oval opal measuring 17.50 mm by 12.6 mm by 5.1 mm, framed by round diamonds weighing approximately 1.00 carat, mounted in 18k white gold, size 6 1/2

Dimensions: top measuring 19 x 23 mm
Opal: Treated (sugar treatment) opal matrix, exhibiting a medium strong play of colour with a full spectral range, with rolling flash pattern. Sugar treated opal started as a light colour material that is treated through a process that uses sugar and acid to impart a black background to show the natural flashes of colour to the best visual effect. It has been done since the 1960s
Diamonds: G-I colour, I1 clarity
Good condition

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Condition reports are provided as a courtesy to clients and are a qualified subjective opinion only. All items are sold ‘as is’.