A late Victorian yellow sapphire, ruby and diamond ring, circa 1880, the central cushion shaped mixed cut yellow sapphire rub over set between two oval mixed cut rubies to either side, in a tapering mount set with old cut and rose cut diamonds with palmette ends, mounted in gold backed silver above bifurcated shoulders.
STAR RUBY AND DIAMOND RING Centring on an oval cabochon star ruby weighing 6.66 carats, surrounded by pear-shaped and brilliant-cut diamonds together weighing approximately 2.10 carats, mounted in platinum.
so elegantly done with the redshadow of petal done with two mixed-cut sotnes. subtle grace. the edge design on the platinum with tiny nicks is called millegrain, and adds to the delicacy without taking away from the strength of the ring, or the design... Art Deco Ruby and Diamond Ring
A RUBY AND DIAMOND BROOCH. Designed as a stylized flower with pavé-set diamond petals and leaves centering upon a cabochon ruby pistil mounted en tremblant, to the calibré-cut ruby and baguette-cut diamond stem, the smaller flower also with a ruby pistil, mounted in platinum, 11.0 cm.
An art deco diamond and ruby brooch, Van Cleef & Arpels, French, 1930 of lozenge-shaped outline and openwork design, detailed with old European, baguette and rectangular-cut diamonds, further accentuated by seven oval-shaped cabochon rubies; signed Van Cleef & Arpels, no. 33297, with French assay marks and maker's mark; estimated total diamond weight: 5.40 carats; mounted in platinum; width: 1 7/8in.
An early 20th century ruby, enamel, cultured pearl and diamond brooch/pendant The openwork cartouche, centrally-set with a cabochon star ruby, within a rose-cut diamond, cabochon and circular-cut ruby and green enamel surround, suspending a later cultured pearl drop encircled with similarly-cut diamonds, later pin fitting, length 6.7cm.
Platinum, Ruby and Diamond 'Trombino' Ring, Bulgari Centering one cushion modified mixed-cut ruby approximately 7.28 cts., flanked by 8 baguette diamonds, pave-set with 68 round diamonds, altogether approximately 3.70 cts., signed Bulgari. Size 5 1/4.