"Vintage Gold, Opal And Diamond Ring, United Kingdom"
Vintage 18k yellow gold (750/1000) ring set with an opal and diamonds. This gold ring features a cabochon-cut opal of approximately 0.64 ct (approximately 7.95 x 6.04 mm) and six brilliant-cut diamonds of approximately 0.2 ct (I1 clarity / GH color). Size: 16 (adjustable). Origin: Great Britain, second half of the 20th century. Weight: 4.05 g. A gemological certificate is provided. 
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