Art Deco Platinum & 18K 16.40 Ct. Diamond Brooch

Art Deco Platinum & 18K 16.40 Ct. Diamond Brooch Weighing 21.0 grams Set with 2 Diamonds weighing app. 3.60 Ct. H-I Color, Si1-SI2 Clarity Along with an app. 1.40 Ct. Diamond in Center H-I Color, SI2-I1 Clarity And 88 Old Mine Diamonds weighing app. 11.40 Ct. G-I Color, VS1-SI1 Clarity 2.5 inches in length