A TURQUOISE AND DIAMOND CLUSTER RING set with a cabochon turquoise in a cluster of old cut diamonds,

AN ANTIQUE TURQUOISE AND DIAMOND RING in yellow gold, set with a central cluster of an old cut diamond and turquoise cabochons depicting a forget-me-not flower, accented by scrolls further set with tu

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. 

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 late Victorian gold, turquoise and diamond brooch. Designed as an old and rose-cut diamond floral cluster, with pave-set turquoise cabochon surround and rope-twist double border, atop two circular t

A late Victorian turquoise and diamond brooch. Of openwork design, the circular turquoise cabochon, suspended from an old-cut diamond and turquoise cluster, with similarly-set foliate sides. Estimated

Etruscan Revival Gold, Turquoise, and Diamond Broochthe round dome shaped brooch centered with an old mine cut diamond melee set within a cluster of cabochon turquoise accents, with cannetille detaili

AN ART DECO TURQUOISE AND DIAMOND PENDANT set with an elongated turquoise cabochon of approximately 40.40 carats, accented by clusters of old cut diamonds, suspended from a diamond set bail, no assay

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.

18K yellow gold vintage cluster ring with diamond, rubies and turquoise. Domed bombe design encrusted with natural turquoise cabochons, (2) .25 ct each natural rubies and a .30 ct old European cut dia

Antique Turquoise and diamond ring Set with an oval cabochon turquoise surrounded by old mine-cut diamonds Platinum and yellow gold Ring size 5; Gross weight 5.0 dwts

TURQUOISE AND DIAMOND DRESS RING, set with a cabochon cut turquoise to the center, surrounded with 11 old cut diamonds totalling approx. 1.60 ct. Size N. 4.1 grams.

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 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.

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

BLACK STAR SAPPHIRE AND DIAMOND CLUSTER RING Set with a black cabochon star sapphire within an old brilliant-cut diamond surround, ring size approx. P For further information on this lot please visit

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

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)

TURQUOISE AND DIAMOND CLUSTER RING The oval-shaped turquoise cabochon within a brilliant-cut diamond surround, diamonds approx. 1.50cts total, ring size approx. X Footnotes: Please note this lot has

A TURQUOISE AND DIAMOND CLUSTER RING, composed of an oval-shaped turquoise cabochon within a surround of brilliant-cut diamonds, mounted in 18K gold, diamonds approximately 0.60ct total, ring size Q&f

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

A TURQUOISE AND DIAMOND CLUSTER RING, CIRCA 1970 The central oval-shaped turquoise cabochon within a surround of brilliant-cut diamonds, mounted in 18K gold, diamonds approximately 1.00ct total, ring

Group of diamond, gem-set, and gold rings Comprising a bombe ring set with an old European and round brilliant-cut diamonds; and a floral ring set with cabochon turquoise, circular-cut sapphires, emer

AN OPAL AND DIAMOND CLUSTER DRESS RING in yellow gold and silver, set with an oval cabochon opal within a border of old cut diamonds, no assay marks, size N / 6.5, 4.6g.

Victorian Turquoise, Diamond, 10k Rose Gold Ring. Centering three round turquoise cabochons, surrounded by eighteen old mine-cut diamonds weighing a total of approximately 0.70 cttw., set in a 10k ros