A SAPPHIRE AND DIAMOND CLUSTER RING in platinum or

A BURMA NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cabochon sapphire of 7.44 carats in a double border of old cut diamonds, the diamonds all totalling 1.4-1.5 carats, full

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

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with a round cut sapphire of 2.66 carats, surrounded by a border of round brilliant cut diamonds, stamped PT 950, size N1/2 / 6.75, 5.1g.

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum or white gold, the oval cut sapphire encircled by old round cut diamonds totalling approximately 0.85 carats, unmarked, size N / 7, 4.8g.

SAPPHIRE AND DIAMOND CLUSTER RING, in platinum. Set with a central oval blue sapphire of 1.85 ct. Surrounded with diamonds totalling approx. 0.48 ct. Size O. 3.5 grams.

SAPPHIRE AND DIAMOND CLUSTER RING, in platinum. Set with a central oval blue sapphire of 1.85 ct. Surrounded with diamonds totalling approx. 0.48 ct. Size O. 3.5 grams.

SAPPHIRE AND DIAMOND CLUSTER RING, in platinum. Set with a central oval blue sapphire of 1.85 ct. Surrounded with diamonds totalling approx. 0.48 ct. Size O. 3.5 grams.

SAPPHIRE AND DIAMOND CLUSTER RING, in platinum. Set to the center with a blue sapphire of approx. 2.31 ct. Flanked with diamonds totalling approx. 1.44 ct. Size O. 6.6 grams.

Platinum, Sapphire and Diamond Cluster Ring, centering eleven marquise-shaped sapphires, approximately 1.5 carats, accented by fourteen round diamonds, approximately 1.50 cts, signed Cartier, approxim

Platinum Sapphire & Diamond Cluster Ring. Ring has a sapphire center stone surrounded by round cut and baguette diamonds. Size 7. Please see images. Condition: Very good with minor signs of normal wea

SAPPHIRE AND DIAMOND CLUSTER RING,18 ct. gold and platinum. Vibrant blue sapphire of approx. 1.36 ct.Diamonds totalling approx. 0.30 ct. F-G colour, VS/SI clarity.Size O. 2.7 grams.Fine ring, good con

SAPPHIRE AND DIAMOND CLUSTER RING,High carat gold and platinum.Vibrant blue sapphire of approx. 0.55 ct.Diamonds bright and lively.Size M 1/2.2.2 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

METAL: Platinum. GEMSTONES: Diamonds approx.0.34ctw G-H/SI1-2. Sapphire approx. 0.96ct. MEASUREMENTS: Ring size 6, ring top is 10mm wide. MARKED: Pt850 Maker's mark, 0.96, D034. WEIGHT: 4 grams.Ge

METAL: Platinum. GEMSTONES: Diamonds approx. 0.33ctw. Sapphire approx. 0.73ct. MEASUREMENTS: Ring size 6 1/4, top is 10.2mm. MARKED: Pt850 073, D033. WEIGHT: 3.9 grams.Gemstones have not been graded f

.900 PLATINUM DIAMOND SAPPHIRE CLUSTER SWIRL RING Ladies Fine .900 Platinum Set Sapphire Cluster Diamond Swirl Fashion Ring. Ring features 12 graduated brilliant round diamonds accenting the sides, ra

A mid 20th century platinum, sapphire and diamond cluster ring. The rectangular-shape sapphire, within a circular-cut diamond scalloped surround, to the openwork gallery. Estimated total diamond weigh

SAPPHIRE AND DIAMOND CLUSTER RING, in 18 ct. gold and platinum. Set with a central cabochon cut blue sapphire, surrounded with diamonds. Size J 1/2. 2 grams.

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

ART-DECO SAPPHIRE AND DIAMOND 3-CLUSTER RING. In 18 ct. gold and platinum. Set with 3 blue sapphires totalling approx. 1.31 ct. and diamonds totalling approx. 0.90 ct. size M. 3.1 grams

Platinum Weight 12.4g Diamond Approx. 3ct Sapphire Approx. 0.60ct Round Cluster Ring Size 7 Measurements 0.79”x0.79”

Vintage 1940's platinum diamond and sapphire cluster cocktail ring, channel, bead and prong set with 21 single cut and Old European Cut diamonds measuring approx: 1.2 - 2.8 mm, weighing approx: 0.33 c

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