Art Deco Tested Platinum and Diamond Brooch
Circa 1930
Set with one old mine-cut diamond weighing approximately .10 carats, surrounded by fifty-eight single-cut diamonds weighing approximately 1.15 carats.
Total weight of diamonds: 1.25 carats
Length: 2-1/4 inches (5.7 cm)
Width: 1-1/4 inches (3.2 cm)