A spinel and diamond cluster ring.

AN ANTIQUE PINK SPINEL AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a round cut spinel of approximately 0.91 carats in a cluster of old cut diamonds, partial British hallmarks for London 192

A vintage 18K gold dome ring. The piece is set with three large baguette-cut sky blue topaz stones, nine smaller baguette-cut pink spinels, and garnished with clusters of diamonds on the sides. Marked

A collection of gem-set rings to include a 9ct gold blue spinel cocktail ring, a 9ct gold blue topaz and diamond cocktail ring; a 9ct gold emerald and opal cluster ring, a 9ct gold coral and pearl clu

(1) with (2) 6.5mm pearls with (4) red round 0.03 spinels and (4) blue round spinels; size- 6; 3.6 dwt total; (1) cluster ring with (6) 3.8mm pearls and (1) round 0.02 carat central diamond; size- 6 1

IMPORTANT CERTIFICATED 19.09 CT. CAT'S EYE AND DIAMOND CLSUTER RING, set with a cabochon cut cat's eye of 19.09 ct. Surrounded with 25 diamonds. Size P. 9.6 grams. Accompanied by World Gemological Ins

EMERALD AND DIAMOND CLUSTER RING The step-cut emerald within a surround of brilliant-cut diamonds, emerald approximately 4.50 carats, diamonds approximately 1.40 carats total, ring size L½ Foot

DIAMOND CLUSTER RING The brilliant-cut diamond, weighing 2.51 carats, within a brilliant-cut diamond surround, the gallery similarly-set, mounted in 18 carat gold and platinum, London hallmark, ring s

AN EMERALD AND DIAMOND CLUSTER RING The central circular-cut emerald weighing 5.89cts within a brilliant-cut diamond frame and further circular-cut emerald accents, mounted in 18K gold, diamonds appro

A COLOUR CHANGE SAPPHIRE AND DIAMOND CLUSTER RING, SRI LANKA (CEYLON), NO HEATThe cushion cut sapphire with blue to purple colour change estimated to weigh 9.30 carats, within a surround of old mine c

IMPORTANT SAPPHIRE AND DIAMOND CLUSTER RING, Set to the center with a large blue sapphire of approx. 13.49 ct. Surrounded with diamonds totalling approx. 1.15 ct. Size O. 8.3 grams. Accompanied by Wor

A sapphire and diamond cluster ring, the rectangular step cut sapphire of estimated weight 10.7 carats, surrounded by ten brilliant diamonds of estimated weight 0.50 carats and six marquise cut diamon

A VERY FINE ALEXANDRITE AND DIAMOND CLUSTER RING in platinum, set with an oval cut alexandrite of 1.18 carats in a cluster of round brilliant cut diamonds, the stylised shoulders set with further roun

BEAUTIFUL RUBY AND DIAMOND CLUSTER RING, in 18 ct. gold. Set with a large ruby to the center of approx. 3.27 ct. Surrounded with diamonds totalling approx. 2.10 ct. Size N. 6.4 grams.

EMERALD AND DIAMOND CLUSTER RING. large cushion cut emerald, with 3.57 ct in weight. surrounded by diamonds totalling approx 1.10 ct. size M. 5.8 grams. accompanied with world gemological institute re

SAPPHIRE AND DIAMOND CLUSTER RING, 19TH CENTURY The cushion-shaped sapphire, weighing 5.74 carats, within a border of old brilliant-cut diamonds, between scroll engraved bifurcated shoulders in 18 car

A SAPPHIRE AND DIAMOND CLUSTER RING The cushion-shaped sapphire weighing 5.70cts set in a four-claw setting within a brilliant-cut diamond frame, mounted in 18K gold, diamonds approximately 1.20cts, r

IMPORTANT SAPPHIRE AND DIAMOND CLUSTER RING, Set to the center with a large blue sapphire of approx. 13.49 ct. Surrounded with diamonds totalling approx. 1.15 ct. Size O. 8.3 grams. Accompanied by Wor

A COLOMBIAN EMERALD AND DIAMOND CLUSTER RING set with a fancy cut emerald of 9.52 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 1.5-2.0 carats, no assay marks, sizing

Size 9, 14kt yellow gold diamond cluster ring featuring a (1.5ct asscher cut diamond center stone (G-VS1) accented with round cut diamonds radiating from the center (H-SI2) approx. 2.18ct tdw, stamped

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

A RUBY AND DIAMOND CLUSTER RING The cushion-shaped ruby weighing approximately 2.15cts within a surround of old brilliant-cut diamonds, mounted in 18K gold, diamonds approximately 2.20cts total, ring

IMPORTANT CERTIFICATED 4.18 CT. BURMA BLUE SAPPHIRE AND DIAMOND CLUSTER RING, set with a central cushion cut blue sapphire of 4.18 ct. surrounded by diamonds. Size M. 4 grams. Accompanied by GCS Londo

A SAPPHIRE AND DIAMOND CLUSTER RING a cushion-cut sapphire within a milgrain halo border of eight-cut diamonds, to diamond-set shoulders and a reeded shank. Estimated total dia

A DIAMOND CLUSTER RING, CIRCA 1960 The old-cut diamond weighing approximately 2.00cts, within a similarly-cut diamond surround and marquise-shaped diamond shoulders, to a bifurcated hoop, mounted in p