23rd Apr, 2026 9:30
An old-cut diamond brooch, with an estimated total diamond carat weight of 2.87ct, featuring a central collet-set old European-cut diamond of estimated 0.81ct, flanked horizontally by four old-cut diamonds also in collet-settings, the central row bordered by panels of openwork design, grain-set with old-cut and single-cut diamonds, to pin and locking C clasp fitting, measuring 2.5cm x 4.2cm, in white metal surface testing as platinum, 9.9 grams.
Please note: Unless otherwise stated, lots have been tested using an electronic tester. This is a surface test only and is not a guarantee of metal purity.
Sold for £1,200
An old-cut diamond brooch, with an estimated total diamond carat weight of 2.87ct, featuring a central collet-set old European-cut diamond of estimated 0.81ct, flanked horizontally by four old-cut diamonds also in collet-settings, the central row bordered by panels of openwork design, grain-set with old-cut and single-cut diamonds, to pin and locking C clasp fitting, measuring 2.5cm x 4.2cm, in white metal surface testing as platinum, 9.9 grams.
