NO RESERVE - A SAPPHIRE AND DIAMOND CLUSTER RING, EARLY

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

NO RESERVE, SAPPHIRE AND DIAMOND CLUSTER RING. 18 ct gold. 3 blue sapphires totalling approx. 0.76 ct. surrounded by diamonds totalling 0.36 ct. size M 1/2. 2.3 grams.

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

NO RESERVE, SAPPHIRE AND DIAMOND CLUSTER RING. blue sapphire in the centre approx 0.20 ct. surrounded by diamonds totalling approx, 0.90ct. size N 1/2. 2.4 grams.

NO RESERVE - A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct gold, set with an oval sapphire in a cluster of single cut diamonds, British hallmarks for 18ct gold, size M / 6, 4.6g.

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 Burmese sapphire and diamond cluster ring. The early 20th century ovoid-shape Burmese sapphire, weighing approximately 4.50cts, and old-cut diamond cluster, to the later lower mount and replacement

DIAMOND AND SAPPHIRE CLUSTER RING, EARLY 20TH CENTURY The central cushion-shaped diamond, weighing 1.65 carats, within borders of calibré-cut sapphires and single-cut diamonds, ring size Q Footno

NO RESERVE - TWO RINGS comprising a sapphire and diamond cluster ring, stamped 18ct, size M1/2 / 6.5, 2.7g, together with a textured gold band ring, full British hallmarks for 9ct gold, size O / 7.25,

AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a fancy pierced milgrain border of round-cut diamonds, to diamond-set shoulders. Estimated total diamond weight 0.30

AN EARLY 20TH CENTURY SYNTHETIC COLOUR-CHANGE SAPPHIRE AND DIAMOND CLUSTER RING a cushion-cut synthetic colour-change sapphire within a milgrain border of round-cut diamonds. Estimated total diamond w

An early 20th century 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire and single-cut diamond surround, with scrolling engraved shoulders. Estimated total diamond weight 0.15ct. Ha

An early 20th century sapphire and diamond cluster ring, the central rectangular facetted sapphire surrounded by twelve pavé set old single cut diamonds in a scalloped edged setting with low pierced

Two early to mid 20th century 18ct gold diamond and sapphire floral cluster rings. The first designed as a single-cut diamond scalloped cluster with textured sides, the second designed as a circular-s

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 early to mid 20th century yellow metal, diamond, and pink sapphire ring, set with a mixed marquise-cut sapphire within a border of round-cut diamonds, ring cluster approximately 11 x 8 mm, indistin

GIA report #5151886173 describes natural, unheated, oval cabochon transparent blue star sapphire, 14.35 x 10.80 x 10.60 mm., originating from Sri Lanka, framed by 16 RBC diamonds, diamond shoulders, a

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

AN EMERALD AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in yellow and silver, set with a step cut emerald of 1.14 carats, in a border of single cut diamonds, stamped 18CT, size M / 6, 3.6g.

A DIAMOND CLUSTER RING, EARLY 19TH CENTURY in yellow gold and silver, set with a central rose cut diamond surrounded by ten rose cut diamonds, with further rose cut diamonds to the shank, unmarked, si

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

14k yellow gold with a center 7.5mm x 5mm natural sapphire and a diamond halo. Ring Size: 6.25Total Weight: 1.5dwtCondition: Good, antique

Size 5 & 1/4 - 3 Kts. Of Sapphires

Sapphire diamond cluster ring yellow gold; bark finished gold twisting around 2.5-2.7mm 9ea white diamonds (I1) and 7ea blue sapphires all shared prong set round stones; Weight: 7.7gr; finger size: 4