A black opal and rose-cut diamond cluster

Natural BlacK Opal 925 Silver Ring with Natural Rose cut Diamonds & Rubies~~RING SIZE 7 US~~

Natural BlacK Opal 925 Silver Ring with Natural Rose cut Diamonds & Emeralds~~RING SIZE 7 US~~

AN OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cabochon opal in a cluster of rose cut diamonds, French import mark, size O / 7, 3.9g.

Antique Victorian Opal, diamond, enamel, and gold brooch Set with cabochon opals and rose-cut diamonds, in a swirling surround of black enamel; 1880s Yellow gold 2.75 x 1.25 in; Gross weight 12.0 dwts

AN ANTIQUE OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a cabochon opal in a cluster of rose cut diamonds, stamped 18CT & PLATINUM, size M / 6.25, 2.7g. 

An opal and diamond cluster ring. The oval opal cabochon, with rose-cut diamond surround. Ring size L. Weight 3.7gms.

AN ANTIQUE DIAMOND AND ONYX DRESS RING in yellow gold, the face set with a stylised polished piece of black onyx, with applied cluster of rose cut diamonds, unmarked, size P / 7.75, 11.7g.

Ladies fine antique estate ring in 14kt rose gold, black opal and diamond ring containing: (3) round brilliant cut diamonds, approx 0.12, average clarity: VS2, color: H; (1) Old European cut diamond,

PAIR OF OPAL AND DIAMOND EARRINGS each of cluster design, set with a cabochon opal within a border of rose-cut diamonds, post fittings, each measuring 13 x 8mm, unmarked, combined gross weight 3.6 gra

A PAIR OF ANTIQUE ENAMEL AND DIAMOND TASSEL EARRINGS, 19TH CENTURY in yellow gold, in the Etruscan revival manner, each set with a cluster of rose cut diamonds against a ground of black enamel, suspen

A BLACK OPAL AND DIAMOND CLUSTER RING LONDON 1975The oval cabochon black opal within a surround of brilliant cut diamonds, approximately 0.48 carats total, the 18 carat gold shank stamped with sponsor

Victorian Diamond, opal, and enamel bangle bracelet Of blue and black enamel foliate scroll design, set with a cabochon opal and old mine, rose, and round brilliant-cut diamonds Yellow gold Inner circ

A late Victorian gold emerald, diamond and enamel cluster ring. The cushion-shape emerald, with rose-cut diamond surround, to the black enamel and floral engraved shoulders. AF. Estimated dimensions o

NO RESERVE - AN ANTIQUE BLACK OPAL AND DIAMOND BAR BROOCH, CIRCA 1910, Made in yellow gold and platinum, Oval cabochon black opal, weighing approximately 1.61 carats, Single cut and rose cut diamonds,

Victorian Handmade 20K Yellow Gold Bracelet with (3) circular panels, each centered with (6) opals in a cluster with an old mine cut diamond in the center. The center panel also has a halo of rose cut

18ct gold hallmarked black opal & diamond cluster ring: Outstanding ring supplied by Boodles, ring size T, 24 small but high grade diamonds. Opal measures 16mm x 11mm.

Silver & 14k Rose Gold Gram Weight: 4.3 Georgian Rose Cut Diamond Approx. 0.80ctw~  Cluster Ring Size: 6.5

Victorian 14k Tri Color Gold, Rose Cut Cluster Diamond & Turquoise Ring Circa 1900s DK · This is a must for a collector. The weight is 5.6 grams. The length is 7/8 of an inch. The height is 1/2 of an

A rose-cut diamond cluster ring, with similarly-cut diamond foliate shoulders.Ring size N1/2. 5.7gms.

METAL: 14k Gold. GEMSTONES: Rose cut diamonds 10 stones. Green glass. MEASUREMENTS: Ring size 6 1/2, ring top is 8.5mm wide. TESTED: 14k. WEIGHT: 1.5 grams.Gemstones have not been graded for color and

NO RESERVE, AN ANTIQUE RUBY AND ROSE CUT DIAMOND CLUSTER RING. Finger size: O, weight: 3.1 gram. 

A banded agate and rose-cut diamond cluster ring.Ring size O1/2. 3.9gms.

A diamond bracelet. The rose-cut diamond cluster, with similarly-cut diamond geometric sides, to the fancy-link chain. Length 18.3cms. Weight 10.3gms.

Designed as a central oval cabochon opal (12.3 x 7.7 mm) in a border of rose cut diamonds set in 14k gold; size 3-1/2, 3.7g