1920's Diamond, Sapphire, Ruby & Emerald Chinese Key Brooch

Art Deco gemstone and diamond Chinese key brooch, crafted in 18k white gold and platinum, adorned with rose, single and round transitional cut and baguette cut diamonds, accented with carved in a shape of leaves and scattered throughout the pin rubies, sapphires and emeralds, and beautifully framed with black enamel.

Diamonds total weight approx. 5ct.
Color range from F to H
Clarity range from VS to SI

It has makers mark, french assay mark for gold and platinum, and numbered: 1340.

Measurements 75mm by 27mm
Weight 22g.

Circa 1020

Ref# 710-000-506