3.06 CARAT YELLOW SAPPHIRE AND DIAMOND RING in 18ct

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

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with a round cabochon sapphire of approximately 7.18 carats, accented by trios of rose cut diamonds, stamped 750, size N / 6.75, 7.1g. 

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. 

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold, the navette face set with an oval cut sapphire of 2.20 carats in a border of round cut diamonds, the diamonds all totalling 0.5-0.7 carats, British hal

A YELLOW SAPPHIRE AND DIAMOND RING in Art Deco design, set with a cushion cut yellow sapphire of 1.35 carats in a border of round cut diamonds, stamped 18CT, size N / 6.5, 3.7g.

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with a round cut sapphire of 0.42 carats in a border of single cut diamonds, stamped 18CT, size O / 7, 2.0g.

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

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

PINK SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with a round cut pink sapphire of 0.97 carats, within a border of round cut diamonds, with further diamonds set to the shoulders, stamped

AN ANTIQUE STAR SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold and silver, set with a round cabochon star sapphire of 9.63 carats within a border of round cut diamonds, unmarked, size N / 6.5, 9.

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 1.53 carats in a cluster of old cut diamonds, each shoulder set with a further old cut diamond, the diamonds a

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut blue sapphire of 1.36 carats within a border of round cut diamonds, with further diamonds set to the shoulder

AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with an oval cut sapphire of approximately 1.70 carats in a border of round brilliant, old and single cut diamonds, the stepped shou

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 SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 1.67 carats in a cluster of round brilliant cut diamonds, British hallmarks, size O / 7, 4.6g.

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 SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, the oval cut sapphire within a marquise shaped surround of round cut diamonds totalling 0.65 carats, British import marks, size O / 7.25, 3.2g.

3.06 Carat Sapphire and 1.2 carats of Diamond in 14k Yellow gold

A SAPPHIRE AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold and platinum, set with a round cabochon blue sapphire of 0.97 carats within a border of old cut diamonds, stamped 18ct Plat, size L1/2 / 6

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

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

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.

An 18ct yellow gold and diamond ring set with five graduated old-cut diamonds of approximately 0.40 carats combined, size M 1/2, 2.7 grams, together with a yellow metal and sapphire ring, with diamond