A platinum sapphire and diamond cluster ring. The

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

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

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

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

A platinum and 18ct gold sapphire and diamond cluster ring. The oval-shape greenish blue sapphire, with single-cut diamond surround and tapered sides. Estimated total diamond weight 0.20ct. Hallmarks

Four gem set rings, Edwardian oval plaque ring with diamond, 18 ct and platinum, sapphire and diamond ring, pearl and garnet cluster ring, paste set ring and a pair of ear studs , all 9 ct

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 or white gold, the oval cut sapphire encircled by old round cut diamonds totalling approximately 0.85 carats, unmarked, size N / 7, 4.8g.

A mid 20th century sapphire and diamond cluster ring. The rectangular-shape sapphire, within an old-cut diamond surround, to the grooved shoulders and plain band. Estimated total diamond weight 0.35ct

METAL: Platinum GEMSTONES: Rubies, Emeralds, Sapphires, Diamonds - approx. 0.45ctw. MEASUREMENTS: Ring size 7 (with sizing balls), top measures 21.5mm x 19.9mm. Sits approx. 12.8mm from finger. MARKED

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.

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 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 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

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

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