Platinum bow brooch grain set to the centre with single cut diamonds channel set in kite shaped settings and to two outer edges with calibre cut black onyx grain set to the bow with a mix of old cut and single cut diamonds with filigree detail and mill grain edging the brooch fastening with a hinged pin and rioller catch.
Total Estimated Diamond Weight: 2.22ct
Colour H-I Clarity VS-SI
Weight: 7.08grams
Maker: Black Starr & Frost
Origin: American
Age: C1920