A TURQUOISE AND DIAMOND CLUSTER RING set with a domed cabochon turquoise in a border of round

A TURQUOISE AND DIAMOND CLUSTER RING set with a domed cabochon turquoise in a border of round brilliant cut diamonds, the shank accented with further diamonds, the diamonds all totalling 1.2-1.4 carat

A TURQUOISE AND DIAMOND RING in 9ct yellow gold, set with a round cabochon turquoise in a border of round brilliant cut diamonds, full British hallmarks for 9ct gold, size O / 7, 2.3g.

NO RESERVE - AN ANTIQUE TURQUOISE AND DIAMOND CLUSTER RING in 9ct yellow gold, comprising a star motif set with a rose cut diamond in a cluster of round cabochon cut turquoise, the shoulders accented

A VINTAGE TURQUOISE, SAPPHIRE AND DIAMOND RING, BEN ROSENFELD 1972 in 18ct yellow gold, set with an oval turquoise cabochon of 7.35 carats, encircled by a border of round cut diamonds totalling 2.0-2.

GOLD, TURQUOISE, CULTURED PEARL AND DIAMOND RING In a domed design and set with oval-shaped cabochon-cut turquoise and cultured pearls with accents of round diamonds with an estimated weight of 0.25 c

Second half 20th century. Tested 18K yellow gold ring, slightly domed round shape with center single cut diamond surrounded by six round rubies, encircled bycluster of turquoise cabochons. Sz 7.75, 9g

AN ANTIQUE TURQUOISE AND DIAMOND CLUSTER RING in yellow gold, set with an oval cabochon turquoise in a cluster of rose cut diamonds, no assay marks, size M1/2 / 6.5, 3.4g. 

An opal and diamond cluster ring claw-set with an oval cabochon opal in a border of round-cut diamonds, to a plain band, stamped 18ct(Ring size: K)

Persian turquoise, ruby, & diamond cluster ring set in 18kt white gold. Center turquoise measures 13.5mm accented with six 4mm cabochon turquoise stones, six .25ct faceted natural rubies, 2.00cts face

An opal and diamond cluster ring claw-set with an oval cabochon opal, in a border of old round-cut diamonds, unmarked(Ring size: U)

ANTIQUE TURQUOISE AND DIAMOND RING, EARLY 20TH CENTURY claw-set with a cabochon turquoise, within a border of cushion-shaped diamonds, size Q / 8, unmarked, estimated total diamond weight 0.60-0.80 ca

AN ANTIQUE TURQUOISE AND DIAMOND RING in 18ct yellow gold, set with three round cabochon turquoise accented by pairs of old cut diamonds, full British hallmarks for London 1900, size O / 7.25, 4.

An opal and diamond cluster ring claw-set with an oval opal cabochon, in a single border of ten round brilliant-cut diamonds, indistinctly marked(Ring size: Q/R)

TURQUOISE AND DIAMOND DAISY CLUSTER RING, set to the centre with a diamond, flanked with 5 cabochon cut turquoise. The shoulders of scrolling relief design. Size M 1/2. 2.2 grams.

A TURQUOISE AND DIAMOND SWEETHEART RING in yellow gold and silver, designed as a ribbon above two hearts set with cabochon turquoise in borders of rose cut diamonds, no assay marks, size M / 6.25, 2.8

A MOONSTONE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cabochon moonstone within a border of round brilliant cut diamonds, full British hallmarks, size M / 6, 3.8g.

AN ANTIQUE TURQUOISE AND DIAMOND RING in yellow gold and silver, set with five cabochon turquoise surrounded by a border of old cut diamonds, no assay marks, size M1/2 / 6.5, 4.3g.

A TURQUOISE AND RUBY RING in yellow gold, set with a central cabochon turquoise in a border of round cut rubies, between two further turquoise cabochons, British hallmarks, size L / 6.5, 2.8g.

View a video of this lot: Click HereCrafted in platinum and 18K white gold; set with oval cabochon turquoise; marquise brilliant, round brilliant and baguette cut diamonds, weighing a

An 18K yellow gold ring with large dome cluster of turquoise round cabochons, all bead set. Ring size 5. 8.3 dwt.

AN OPAL AND DIAMOND CLUSTER RING in 18ct white gold, set with a cabochon opal of 9.50 carats in a border of round brilliant cut diamonds, the band accented by further diamonds all totalling 0.65 carat

Signed Cartier Diamond & Persian turquoise dome ring set in 18kt yellow gold highlighting a .50ct brilliant cut bezel set diamond (H-VS1) in center surrounded by cabochon round turquoise and bezel set

A 14K GOLD, TURQUOISE, SAPPHIRE AND DIAMOND CLIP BROOCH Of a cluster design set with round and marquise-shaped turquoise cabochons, round cabochon and marquise-shaped sapphires and round diamonds weig

A turquoise, diamond and fourteen karat gold ringdesigned as a round cabochon turquoise pavé set bombé, framed by transitional-cut diamonds, centered by an old mine-cut diamond. 7.5 dwt; siz