Platinum rectangular plaque brooch with grain set rose cut diamonds in a geometric Greek key design to the centre with a surround of futher grain set rose cut diamonds, all within a scalloped border of bezel set old European cut diamonds with millgrain edges, fastening with a brooch pin and security clip to the reverse.
Total Estimated Diamond Weight: 2.87ct
Colour F-J, Clarity SI-P2
Weight: 10.5grams
Age: C1920