Brooch - Gold, Platinum, Onyx & Diamonds

Art Deco brooch in 750‰ yellow gold and 950‰ platinum, set with a rectangular-cut onyx centered with an old-cut oval diamond of approximately 0.70 carats, surrounded by a double frame of small old-cut diamonds (approximately 1.50 carats).

Dimensions: 3.45 x 2.82 cm

Weight: 15.77 grs