AN EXQUISITE ART DECO RUBY AND DIAMOND BROOCH

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AN EXQUISITE ART DECO RUBY AND DIAMOND BROOCH
The flexible pendant set with a pear-shaped ruby measuring approximately 9.90 x 6.65 x 4.30 mm and a pear-shaped diamond measuring approximately 10.05 x 6.50 x 3.50 mm, within a single and old European-cut diamond and calibr-cut ruby mount, suspended from a pav-set diamond oval-shaped geometric openwork plaque, enhanced by sugar-loaf cabochon rubies and rectangular and bullet-cut diamonds, mounted in platinum, with French hallmarks, circa 1925