Art Deco Platinum Diamond and Onyx Brooch

Art Deco Platinum Diamond and Onyx Brooch
Weighing 13.9 grams
Set with an app. 1.00 - 1.10 Ct. Diamond in Center
J Color, SI1 Clarity
Along with 46 European-cut Diamonds weighing app. 4.50 Ct.
E-G Color, VVS Clarity All are Gem Quality
Black Onyx in Perfect Condition
2 x 1 inches