Diamond Bow Bar Brooch

Platinum Art Deco bow brooch grain set to the centre with a transition cut diamond channel set in curves to either side with calibre cut blue sapphires further sapphires to the opposing borders of the ribbon and throughout the pierced and mill grain edged brooch are mixed cut diamonds the brooch fastening with hinged pin and roller catch.
Total Estimated Diamond Weight: 1.69ct
Colour H-I Clarity VS-SI
Weight: 10.4grams
Age: C1920