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Edwardian 18ct & Platinum, Black Opal & Diamond Oval Ring

137L
Written by Olly Gerrish

A really striking black opal ring. The opal displays deep bright green and blue. It is a good colour and is surrounded by well matched white diamonds. Unlike ordinary opals, black opals have carbon and iron oxide trace elements present, which cause the unusual darkness of the stone. Because of their dark body tone, the rainbow colours in a black opal stand out much better than lighter opals. This vibrancy of colour makes black opal the most valuable form of all opals. This ring was made circa 1910-1920.

Item Number
137L
Measurements
Black opal 7 mm by 6 mm
Diamonds approx total weight 36 points
Date & Origin
Provenance
English
Hallmarks
Mark illegible, tested to 18ct gold & platinum
Condition
Very Good
Discovered
7 years ago
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