NO RESERVE ART DECO ROCK CRYSTAL, DIAMOND AND ONYX BROOCH

NO RESERVE ART DECO ROCK CRYSTAL, DIAMOND AND ONYX BROOCH
Reverse carved oval-shaped cabochon rock crystal, marquise and single-cut diamonds, onyx plaques, platinum, circa 1925

Diamonds: 24 marquise-cut and 40 single-cut diamond with approximate total weight of 3.60 - 3.90 carats

Size/Dimensions: 3.8 x 3.5 cm (1 1⁄2 x 1 3⁄8 in)
Gross Weight: 16.6 grams