Art Deco Enamel Onyx Diamond Platinum Sailfish

Lovely Art Deco figurative earrings of jade buddhas hanging from graduated temple form motifs of hand cut onyx and rose diamonds. Small jade cabochon at ear with original 18k gold sc...

Wonderful Art Deco Diamond and Emerald brooch from the 1930's, set in platinum by Ostertag, France. This lovely design is very reminiscent of Coco Chanel's logo who was his neighbor in the period, where he was located at 16 Place Vendome. Conjoined "C" motifs are are laid with a ladder of diamond baguettes edged with round stones terminating in 2 large diamonds (over 1 carat each) on one end and large fluted Columbian teardrops with tiny pave ball caps on the other. Really exceptional quality and design from 1930's France. Ostertag pieces are exceptionally rare and have the highest quality gems and workmanship c/o the Rubel Freres...

Art Deco Diamond and Pearl Double Golf Staff Stickpin. Beautifully crafted in 14k gold with diamonds set into platinum with a natural pearl ...

Unusual Arts and Crafts Platinum, Gold and Onyx Brooch circa 1910 attributed to Frank Gardner Hale. Platinum is rarely used in Arts and Crafts period esp...

This glamorous Antique art deco aquamarine diamond brooch pin is crafted in platinum and weighs approx. 23.3 grams. The center exposes a ge...

Art Deco platinum brooch , with approx. 3.80ctw SI/I diamonds and onyx (few stones are chipped). The brooch measures 2 3/8" x 1 1/16". With Continental assay marks on the stem. Weig...

Art Deco Old mine cut Diamond and Onyx on Platinum and Gold Barrette Brooch. Circa 1930. Width: 6.60 centimeters. Height, at the highest: 0.85 centimeters. Total weight: approx. 7.7...

Platinum onyx diamond bar pin, signed TIFFANY & CO 5554. Old European cut diamonds weighing approx. 0.90 cts, EF VS, measures 2 1/2 inches, weight 3.6 dwt