AN ART DECO DIAMOND AND EMERALD BROOCH Designed as a single-cut diamond openwork plaque, bezel-set at the center with three rectangular-cut emeralds, flanked on either side by an old European-cut diamond, extending a line of single-cut diamond and collet-set emerald quattrefoils, the terminals decorated with calibré-cut emeralds, mounted in platinum, circa 1920
An art deco emerald and diamond plaque brooch, circa 1920 Of chequerboard design, millegrain-set with square and triangular-cut emeralds and French-cut diamonds within a border of smaller single-cut diamonds, with a larger old brilliant-cut diamond to the centre, length 5.2cm., cased.
Emerald, diamond, onyx and sapphire pendant-necklace, Mauboussin, circa 1925. The pendant set with a cushion-shaped emerald weighing 25.50 carats, framed by calibré-cut emeralds and old European-cut, pear-shaped, marquise-shaped and baguette diamonds, anchored by 2 articulated fringes set with emerald-cut and baguette diamonds, calibré-cut emeralds and onyx segments, accented with old European-cut diamonds, sapphires and emeralds, total diamond weight approx 13.95 carats. Via Sotheby’s.
Estate Platinum Emerald Cut Three Stone Diamond by ArtDecoDiamonds, (1.5 TCW)
Art Deco engagement ring, circa 1925. Featuring a .79 carat (approx) EGL certified old European cut diamond with F-G color and VS1 clarity. The center stone is accentuated by a row of triangle cut emerald arrows on ether side, and single cut diamonds all around the geometric platinum setting. Via Diamonds in the Library.