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Art Deco Platinum and Diamond Brooch, designed as a flower on fine knife-edge bars, set throughout with old European-cut diamonds, calibre-cut onyx, and suspending bezel-set diamond drops, millegrain accents, approx. total diamond wt. 6.50 cts., lg. 3 1/2 in.

A Pair of Diamond and Platinum Double-Clips, circa 1930 Designed as a papyrus flower decorated with old-cut diamonds, mounted in platinum, 4.8 x 4 cm.

Natural Blue Star Sapphire Brooch, Gold, Platinum, and diamonds, ca.1908〜1917, Made by Bolin, jeweler to the a imperial Russian Court Russia.

An Art Nouveau plique-à-jour enamel, diamond and pearl brooch, circa 1900. Depicting a rose-cut diamond sun setting over water with rose diamond clouds overhead, in a ground of blue, rose and green plique-à-jour enamel, the border decorated with a spray of irises and buds of baroque pearls and rose-cut diamonds, mounted in rose gold and silver, a glazed compartment on the back.

Van Cleef And Arpels ballerina brooch

Art Deco ruby, sapphire, emerald and diamond platinum bracelet by Oscar Heyman

The Thurn and Taxis Diamond and Emerald Jewel, c.1780, An important emerald and diamond-set jewel, centrally-set with a square step-cut emerald within a border of sixteen cushion-cut diamonds, mounted in silver and yellow gold, currently as a brooch.


Art Deco Emerald Diamond Platinum Ribbon Brooch

Art Deco Emerald Diamond Platinum Ribbon Brooch. A striking Art Deco Emerald and Diamond Platinum Oval Ribbon Brooch. This Art Deco Brooch has 105 Old mine cut Diamonds of H-I color VS/SI with a total weight of 5.75cts with 44 caliber-cut Emeralds approximately 1.10 cts. total weight. Circa 1925

Diamond, pearl and platinum brooch, circa 1920's.

AN ANTIQUE RUBY, DIAMOND AND PEARL BROOCH. Of circular form, set with a cabochon ruby within concentral rings set with cushion-shaped diamonds and rubies, surmounted by a rose-cut diamond set floral top, supporting seven pearl and diamond set drops connected by knife-edged links, circa 1900.