A YELLOW SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut yellow sapphire of approximately

AN ANTIQUE SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold, set with an oval cut sapphire of approximately 1.09 carats in a cluster of rose cut diamonds, no assay marks, size I1/2 / 4.5, 2.4g. 

AN ANTIQUE SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval cut sapphire of approximately 1.29 carats in a cluster of old cut diamonds, no assay marks, size N1/2 / 7, 2.6g

A YELLOW SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cut yellow sapphire of 2.50 carats in a cluster of round brilliant cut diamonds, further diamonds accenting the shoulders all t

Estate 14kt Yellow Gold Sapphire & Diamond Ring. Hallmarked. Set with approximately 1.5 carats of round cut white diamonds in halo around an oval cut sapphire. Can be resized. Weighs approximately 4.9

Estate 14kt Yellow Gold Sapphire & Diamond Ring. Hallmarked. Set with six round cut white diamonds and one oval cut sapphire. Can be resized. Weighs approximately 3.2 grams inclusive.

NO RESERVE - A SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold, set with an oval cut sapphire in a cluster of round brilliant cut diamonds, indistinct full British hallmarks, size J / 4.75, 1.5g.

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 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

AN ANTIQUE BURMA NO HEAT PINK SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval cut pink sapphire of 1.36 carats in a cluster of old cut diamonds, on a bifurcated band, no

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

18K WHITE/YELLOW GOLD DIAMOND AND SAPPHIRE RING SET WITH (12) 1.5MM FULL-CUT ROUND DIAMONDS AND (1) OVAL-CUT BLUE SAPPHIRE, APPROXIMATELY 6.0 X 4.0 MM. RING SIZE 8 1/4; GROSS WEIGHT 5.59 GRAMS

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut sapphire, in a halo of old mine cut diamonds, to stylised shoulders, stamped with maker's mark and 18CT & PLA

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

18K Yellow Gold, Sapphire, and Diamond Ring. Designed as three bands. Center set with oval cabochon sapphire, side bands each set with a round brilliant cut diamond. Gross weight is approximately 11.1

NO RESERVE - A SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an oval cut blue sapphire within a border of single cut diamonds, maker's mark SH&Co, st

AN ANTIQUE SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an oval cut sapphire within a halo of round cut diamonds, stamped 18ct Plat, size N / 6.5, 2

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 THREE STONE CLUSTER RING in 14ct yellow and white gold, set with three oval cut sapphires totalling 1.0-1.2 carats in a cluster of round brilliant cut diamonds, full British hal

This is a 14 karat yellow gold genuine sapphire and natural diamond ring.  The approximate 1 carat oval-cut, dark blue, brilliant sapphire is prong set in a halo of approximately .25 carats of ro

Featuring one oval-cut sapphire weighing approximately 0.60 ct., accented by forty-six baguette and full-cut diamonds weighing a total of approximately 0.75 cttw., set in a 14k yellow gold ring mounti

Sapphire, diamond, 14k yellow gold ring Featuring (1) oval-cut sapphire, weighing approximately 7.9 X 6.0 X 3.8 mm, flanked by (2) full-cut diamonds, weighing a total of approximately 0.40 ct., set in

Beautiful fine retro ring, apparently from 1940s, made of 18K Yellow Gold (marked), with a front designed as an oval plate, its center set with an oval Cabochon Cut Sapphire weighing approximately 1.2