Art Deco Ruby and Diamond Brooch Circa 1930

One (4.5 x 1.75cm) geometric Art Deco brooch in platinum with a safety pin and chain. The brooch is grain-set with diamonds and Sixteen small well-matched square and bullet cabochon-cut bright red rubies, total estimated weight: 0.75ct;

Diamonds: Estimated brooch total diamond weight = 3.89cts.

One x (4.95 x 3.41mm) old Pear cut G-I, I1 material, estimated weight: 0.23ct;

Two x (4.5 x 2.3mm) Marquise cut H-I, SI material, total estimated weight: 0.20ct;

Four x (3.9 x 1.5mm) and four (3.0x 1.5mm) baguette cut G-H, VS material, total estimated weight: 0.40ct;

Twelve x (3.2 -3.3mm) and forty x (1.6-2.2mm) early European cut G-J, Si-I1 material total estimated weight: 2.78cts;

Four 1.7mm and eight x 1.0mm single cut G-I SI material total estimated weight: 0.12ct.

Weight: 12.12 grams.

Condition: As new condition.

Era: Circa 1930.