AN ORANGE SAPPHIRE AND DIAMOND RING in 18ct white and yellow gold, set with a cushion cut orange

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

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

A MULTICOLOURED SAPPHIRE ETERNITY RING in 18ct white gold, fully set with emerald cut orange, yellow, green, pink and purple sapphires all totalling 8.0-8.4 carats, stamped 750, size K / 5, 6.6g.

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

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in platinum and 18ct white gold, set with a cushion cut blue sapphire of 4.17 carats, within a border of round cut diamonds, the diamonds all totalling 2.2-2

A COLOUR CHANGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a central cushion cut sapphire of 5.13 carats, encircled by a border of single cut diamonds, later British import marks,

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 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 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

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.

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 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

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct white gold, set with an oval cut sapphire of 2.52 carats between two cushion cut diamonds both totalling 2.0-2.1 carats, stamped 18ct, size O / 7, 4.6g.

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,

AN ART DECO SAPPHIRE AND DIAMOND RING in 18ct yellow and white gold, set with a square step cut sapphire within a border of old cut diamonds, stamped 18ct, 2060, size P / 7.75, 2.4g.

View a video of this lot: Click HereCrafted in 18K white and yellow gold; set with a cushion modified mixed cut natural Ceylon unheated sapphire, weighing approximately 7.15 carats; s

A SAPPHIRE AND DIAMOND TOI ET MOI RING in 18ct yellow and white gold, set with a round cut sapphire of 2.10 carats and a round brilliant cut diamond of 1.54 carats, accented by further single cut diam

Fancy Orange and White Diamond Ring 14k white/yellow gold, the ring mounted with a long cluster of cushion-, oval- and pear-cut Fancy Orange diamonds weighing approximately 2.95 carats in total, accen

A MULTICOLOUR SAPPHIRE ETERNITY RING in 18ct yellow gold, set all around with octagonal cut pink, green, orange and yellow sapphires all totalling 9.0-9.1 carats, full British hallmarks, size N / 6, 5

A FANCY COLOUR DIAMOND DRESS RING in 18ct white gold, set with a cushion cut blue diamond of 1.01 carats in a border of round brilliant cut pink diamonds, and a cushion cut yellow diamond of 1.26 cara

3.5 Carat Orange Sapphire Diamond 14 Karat Yellow Gold Ring Emerald cut orange sapphire is Lab created and bezel set in 14 karat yellow gold and embellished with a round brilliant, pave set diamond ha

POMELLATO, A DIAMOND, PINK AND ORANGE SAPPHIRE TANGO BANGLE in 18ct yellow gold and silver, the bangle set with five circular links pave set with round cut light pink, dark pink and orange sapphires a