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细节
A late 19th century diamond brooch
The central cushion-shaped diamond in a pinched collet setting within a radiating openwork surround set with old brilliant-cut diamonds in closed-back settings, circa 1860, 4.0cm long
The central cushion-shaped diamond in a pinched collet setting within a radiating openwork surround set with old brilliant-cut diamonds in closed-back settings, circa 1860, 4.0cm long