A BELLE EPOQUE BLACK OPAL AND DIAMOND CLIP BROOCH
A BELLE EPOQUE BLACK OPAL AND DIAMOND CLIP BROOCH

细节
A BELLE EPOQUE BLACK OPAL AND DIAMOND CLIP BROOCH
Set with an oval black opal measuring approximately 31.00 x 16.00 x 6.40 mm within an old European-cut diamond garland frame, mounted in platinum (may also be worn as a pendant with accompanying chain), circa 1910 (2)