A pair of old cut diamond and opal circular cluste

A pair of opal and diamond earrings. Each designed as a circular opal cabochon, with old-cut diamond cluster surround and grooved border. Estimated total diamond weight 1.20cts. Length 1.6cms. Weight

An opal three-stone and diamond ring. The graduated circular opal cabochon line, with old-cut diamond spacers. Estimated total diamond weight 0.10ct. Ring size N. Weight 3.3gms.

An Edwardian opal and diamond ring. The graduated circular opal cabochon line, with old-cut diamond double spacers, to the scrolling sides and plain band. Hallmarks for Birmingham, 1908. Weight 2.6gms

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three cabochon opals punctuated by pairs of old cut diamonds, stamped 18ct, size N / 6.75, 4.2g. 

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three cabochon opals punctuated by pairs of old cut diamonds, inscribed JJ - H.B MCK 28/12/20, partial British hallmarks, size M / 6.25,

AN ANTIQUE VICTORIAN OPAL AND DIAMOND RING, 1897 in 18ct yellow gold, set with three graduated cabochon opals punctuated by pairs of old cut diamonds, full British hallmarks for Birmingham 1897, size

AN ANTIQUE VICTORIAN OPAL AND DIAMOND RING, 1897 in 18ct yellow gold, set with three graduated cabochon opals punctuated by pairs of old cut diamonds, full British hallmarks for Birmingham 1897, size

AN ANTIQUE OPAL AND DIAMOND RING in yellow gold, set with three cabochon opals punctuated by pairs of old cut diamonds, partial British hallmarks, size R1/2 / 9, 3.8g.

A VICTORIAN OPAL AND DIAMOND RING three graduated oval opals spaced by pairs of old-cut diamonds, to forked shoulders. Estimated total diamond weight 0.15ct, marked '18', ring size N1/2, 3.0 grams On

AN ANTIQUE EDWARDIAN OPAL AND DIAMOND RING in 18ct yellow gold, set with three cabochon opals punctuated by pairs of old cut diamonds, full British hallmarks for Chester 1904, size R1/2 / 8.75, 4.0g.&

18kt yellow gold floral form brooch with filigree leaves and petals. Flower is comprised of a central bezel set circular opal, (4) full cut diamonds, and (1) Old Mine cut diamond. Opal measures approx

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three graduated oval opal cabochons, punctuated by pairs of old mine cut diamonds, British hallmarks for Birmingham, 1890, size S / 9, 5.

OPAL AND DIAMOND STARFISH BROOCH, 20TH CENTURY Pavé-set throughout with circular opal cabochons, with a central old brilliant-cut diamond star motif, each arm with a ridge of brilliant and old br

A PAIR OF OPAL AND DIAMOND STUD EARRINGS Post and butterfly fittings Cabochon opals Circular-cut diamonds Stamped 14K Length 15mm 2.8 grams

AN ANTIQUE OPAL AND DIAMOND DRESS RING in 18ct yellow gold, set with a trio of graduated oval cabochon opals, accented by pairs of old European brilliant cut diamonds, full British hallmarks (partly o

VINTAGE 14KT GOLD, OLD MINE CUT DIAMOND & MEXICAN BLACK OPAL STUD EARRINGS PAIR UPPER DOUBLETS; ROUND OPALS ARE W 5MM X H 6MM; PEAR SHAPE OPALS ARE W 5.7MM, H 7.8MM; DIAMONDS ARE CIRCA 0.05 CT. EACH;

A PAIR OF ONYX AND DIAMOND STUD EARRINGS each formed of a circular piece of polished onyx set at the centre with an old cut diamond, unmarked, 0.9cm, 2.2g.

A pair of sapphire and diamond cluster earrings. Each designed as a circular sapphire cabochon, within an old-cut diamond surround. Estimated total diamond weight 0.35ct. Length 1.4cms. Weight 1.4gms.

A PAIR OF AMETHYST, RUBY AND DIAMOND DROP EARRINGS Briolette cut amethysts Old European brilliant cut diamonds Circular cut rubies Stamped 15ct Length 47mm 5.0 grams

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

A group of Early 20th Century opal and fourteen karat gold jewelryincluding a pair of floriform oval jelly opal cluster stud earrings; two rings set with oval opal cabochons or old mine-cut diamonds.

A pair of antique diamond and natural pearl earrings, c1900, of circular cluster design, each earring composed of a central natural pearl surrounded by eight millegrain set old brilliant cut diamonds

Y A pair of carved shell and diamond cufflinks each circular terminal composed of a carved coral plaque set with an old round-cut diamond, belcher links, unmarked (Diameter of terminal: 1.5cm) Note: P

A Pair of Opal and Diamond Earclips. 14 karat yellow gold mountings contain one octagonal opal cabochon and one prong set old mine cut diamond Wt: 5.6 grams