A platinum yellow sapphire and diamond cluster ring,

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 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

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 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

Platinum topped 14k yellow gold Edwardian style cluster ring with a cushion set dark blue sapphire center (8.5 x 6.5mm), surrounded by 12 prong set early cut rounds diamonds (2.88mm each) with an expa

AN ART DECO DIAMOND AND SAPPHIRE DRESS RING in yellow gold and platinum, of target design, set with a cluster of old European cut diamonds, within a border of calibre cut blue sapphires, with further

The two bands set to the front with four marquise-faceted diamonds, approx. 55 ct. TW., or a cluster of marquise or RBC diamonds, approx. .68 ct. TW. or sapphires. 14k. Sizes 8 1/2. 5.3 dwt.

This is a certified and appraised platinum yellow sapphire and diamond ring. The 2.77 carat oval-cut yellow sapphire is surrounded by a halo and shoulders of .66 carats of round, brilliant-cut G-H, SI

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

An 18K yellow gold, platinum, yellow sapphire, and diamond ring, Boris LeBeau designed as a tapering cigar band in eighteen karat yellow gold and platinum, centering a bezel set cushion-cut yellow sap

Vintage 14kt Yellow Gold Platinum Top Yellow Sapphire & Diamond Ring Size (7.5) reverse tapered shank ring with a rectangular cut yellow sapphire center stone (approx. 9.5mm x 7.5mm) in a bezel settin

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

Hammerman Brothers yellow gold, platinum, yellow sapphire and diamond ring New York, New York 18K yellow gold, platinum, 1.90 carat oval yellow sapphire, (2) 0.34 carat pear cut diamonds (clarity: VS1

Natural Yellow Sapphires & emeralds diamonds cluster ring. Raised dome. Sapphires & Emeralds: 5.12ct Full cut brilliant ovals supreme Clean clarity Transparent and vibrant top Bright gem Fancy yellow

A yellow sapphire and old-cut diamond cluster ring. Sapphire calculated weight 20.06cts, based on estimated dimension of 17.35 by 13.5 by 10.2mms.Estimated total diamond weight 1.50cts, G-H colour, pr

Platinum, Gold, Yellow Sapphire, and Diamond Ring, Francebezel set with one round cut yellow sapphire (9.63 x 8.6 x 6.2mm) weighing approximately 3.98 carats and with a conforming surround of (18) bea

A Platinum, Yellow Gold, Sapphire and Diamond Ring, containing one oval mixed cut sapphire measuring approximately 8.90 x 6.89 x 3.65 mm and 20 tapered baguette cut diamonds weighing approximately 1.0

18K Yellow Gold Blue Sapphire & Diamond Cluster Ring, size 6.

10 marquise-cut sapphires and 12 round brilliant-cut diamonds weighing 2ctw, all in prong settings in 14K yellow gold. Weight 5.7g. Size 7.5.

centered with round brilliant cut yellow sapphire weighing approximately 2.35 carats bezel set in yellow gold and with a textured platinum tapered shank accented to the top and bottom with (52) bead s

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