A BLACK OPAL AND DIAMOND RING
The oval cabochon black opal weighing approximately 12.59 carats, within a brilliant-cut diamond surround, mounted in platinum, ring size 6
Accompanied by report no. GRS2014-038038 dated 3 March 2014 from the Gem Research Swiss Lab stating that the 12.59 carat opal is of Australia origin, with no indication of treatments
A BLACK OPAL AND DIAMOND RING
The oval cabochon black opal weighing approximately 12.59 carats, within a brilliant-cut diamond surround, mounted in platinum, ring size 6
Accompanied by report no. GRS2014-038038 dated 3 March 2014 from the Gem Research Swiss Lab stating that the 12.59 carat opal is of Australia origin, with no indication of treatments
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