A VINTAGE SAPPHIRE AND DIAMOND GYPSY RING in 18ct yellow gold, set with a cushion cut sapphire of

A VINTAGE PINK SAPPHIRE AND DIAMOND BOMBE RING in the style of Buccellati, in 18ct white gold and yellow gold, the tapering band set with a cushion cut pink sapphire of 4.38 carats, accented by cluste

AN ANTIQUE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with alternating cushion cut sapphires and old cut diamonds, British hallmarks for 18ct gold, size O / 7, 3.1g.

NO RESERVE - AN ANTIQUE EDWARDIAN SAPPHIRE AND DIAMOND RING, 1908 in 18ct yellow gold, set with three cushion cut sapphires punctuated by pairs of round cut diamonds, full British hallmarks for Cheste

A VINTAGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 0.65 carats, in a border of round brilliant cut diamonds, full British hallmarks for 18ct gold, size K

A VINTAGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 0.65 carats, in a border of round brilliant cut diamonds, full British hallmarks for 18ct gold, size K

AN ANTIQUE SAPPHIRE AND DIAMOND RING, 19TH CENTURY in 18ct yellow gold, set with a cushion cut sapphire of 0.95 carats, within a border of old cut diamonds, signed RS, stamped 18ct, size M / 6.25, 3.8

AN ANTIQUE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with three round and cushion cut sapphires, punctuated by pairs of rose cut diamonds, maker's mark 'E&S', full British hallmarks for 18ct

AN ORANGE SAPPHIRE AND DIAMOND RING in 18ct white and yellow gold, set with a cushion cut orange sapphire of approximately 5.4 carats between two trilliant cut diamonds totalling 0.8-0.9 carats, maker

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold and platinum, set with a cushion cut blue sapphire of 0.93 carats, within a border of old cut diamonds, stamped Pt 18ct, size M / 6, 3.1

AN ANTIQUE SAPPHIRE AND DIAMOND RING 1911 in 18ct yellow gold, set with a trio of cushion cut blue sapphires, accented by two old cut diamonds, full British hallmarks for Birmingham 1911, size M / 6,

AN ANTIQUE CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in 18ct yellow gold, the navette shaped face set with a cushion cut blue sapphire of 1.18 carats, within a surround of old European brilliant cut di

AN ANTIQUE VICTORIAN SAPPHIRE AND DIAMOND DRESS RING, 1899 in 18ct yellow gold, set with a trio of cushion cut blue sapphires within borders of rose cut diamonds, full British hallmarks for Chester 18

AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING, 1912 in 18ct yellow gold, set with a trio of graduated cushion cut sapphires accented by pairs of single cut diamonds, full British hallmarks for Birmingham

A SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with a trio of cushion and round cut blue sapphires within borders of old cut diamonds, stamped 18ct, size L / 5.75, 3.7g.

A RUBY, SAPPHIRE AND DIAMOND SWEETHEART RING in 18ct yellow gold, designed as two interlocking hearts, set with a cushion cut ruby and sapphire, within borders of rose cut diamonds, surmounted by a di

ANTIQUE SAPPHIRE AND DIAMOND RING, 1916 mounted in 18ct yellow gold, set with a trio of step cut and cushion cut blue sapphires, accented by trios of circular cut diamonds, size O / 7, full British ha

A SAPPHIRE AND DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold, set with a trio of graduated cushion cut blue sapphires, accented by pairs of old cut diamonds, stamped 18ct, size O / 7.25,

A VINTAGE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with a cabochon sapphire and an old cut diamond of 1.47 carats, accented by further old mine cut diamonds, French assay marks for 18 carat

A VINTAGE TURQUOISE, SAPPHIRE AND DIAMOND RING, BEN ROSENFELD 1972 in 18ct yellow gold, set with an oval turquoise cabochon of 7.35 carats, encircled by a border of round cut diamonds totalling 2.0-2.

100% natural blue sapphire cushion cut with natural white diamonds round brilliant cut diamond set in 14k yellow gold

A VINTAGE DIAMOND GYPSY RING in 18ct yellow gold, set with a round brilliant cut diamond, band split, stamped 18ct, size L / 5.75, 4.5g.

A FRENCH SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with an oval cut sapphire of approximately 3.57 carats accented by old cut diamonds, French assay marks, size J1/2 / 5, 10.6g. 

AN ANTIQUE SAPPHIRE AND DIAMOND RING in yellow gold, set with three graduated cushion cut sapphires, accented by two old cut diamonds, no assay marks, size O / 7, 2.8g.

AN ANTIQUE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with three oval cut sapphires accented by pairs of old cut diamonds, D&F maker's mark, marked indistinctly, size K1/2 / 5.5, 3.6g