TIFFANY & CO. Art Deco Platinum 9.05 Ct. Diamond Bow Brooch
Weighing 19.2 grams

Set with 2 Pear-shape Diamonds weighing app. 1.80 Ct.
F-G Color, VS1-SI1 Clarity

Along with an app. 0.75 Ct. Octagonal Diamond in center

And 66 Old Mine Diamonds weighing app. 6.50 Ct.
F-G Color, VVS-VS Clarity

2.5 x 3 inches