Vintage Jewelry
Vintage Jewelry A Belle Epoque, sapphire and diamond ring The central millegrain-set oval sapphire with old brilliant-cut diamond border and diamond circular cluster above and below to diamond and calibré triangular sapphire two row curved shoulders, circa 1910 AN ART DECO ROCK CRYSTAL, RUBY AND DIAMOND BROOCH Designed as a openwork rock crystal circle, the inner rim trummed with circular-cut diamonds, and enhanced at the cardinal points with a triple-row circular-cut diamond and calibré-cut ruby panel, mounted in platinum, circa 1930 Art Deco Sapphire Diamond Circle Brooch | From a unique collection of vintage brooches at http://www.1stdibs.com/jewelry/brooches/brooches/

An art deco star sapphire and diamond pendant/brooch, circa 1930 centering a round cabochon star sapphire within a double-row surround of single-cut diamonds, accentuated by four old European-cut diamond collets, suspended from a detachable diamond two-stone surmount; sapphire weighing approximately: 37.00 carats; estimated total diamond weight: 5.50 carats; mounted in platinumJewels du Jour Art Deco Platinum, Diamond and Sapphire Brooch, Cartier. The openwork tapered oval brooch topped by one square-cut sapphire, accented by 3 diamond-shaped sapphires spaced by 2 round sapphires, set throughout with 66 old European and single-cut diamonds, and 4 rose-cut diamonds, circa 1920.

Refer: http://www.christies.com/lotfinder/jewelry/a-belle-epoque-sapphire-and-diamond-brooch-5194314-details.aspx?from=salesummary&intObjectID=5194314&sid=710397fd-52f0-4ffb-b107-56d1b65847af