AN ANTIQUE TURQUOISE AND DIAMOND STICK / TIE PIN in yellow gold, set with an oval cabochon opal in a

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 ANTIQUE PEARL AND DIAMOND ACORN STICK / TIE PIN in yellow gold, the head designed as an acorn set with a black pearl, the cap and stalk set with rose cut diamonds, no assay marks, head 1.4cm, 1.9g.

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.

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

AN ANTIQUE OPAL AND DIAMOND BROOCH in yellow gold and silver, set with a trio of graduated oval cabochon opals, accented by rose cut diamonds, no assay marks, 3.5cm, 2.6g.

AN ANTIQUE OPAL AND DIAMOND DRESS RING in high carat yellow gold, the face set with five graduated oval cabochon opal accented by single cut diamonds, with textured decoration to the band, unmarked, s

AN ANTIQUE DIAMOND AND RUBY CAVALIER KING CHARLES SPANIEL STICK PIN BROOCH in yellow gold, set throughout with old mine cut diamonds, accented by cabochon ruby eyes, no assay marks, 1.1cm, 2.6g.

Antique / Estate Diamond & Turquoise Navette Ring Set in Yellow Gold. Central oval cabochon turquoise with a halo of white diamonds. Ring size 6 can be resized.

Yellow gold ring set with 13 .02 ct round cut diamond around an oval cabochon fire opal. Ring size 6.5

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

10k white and yellow gold pin brooch, set with a central round shaped cabochon opal, approximate total weight of opal 1.57ct, flanked by four old European cut diamonds, approximate total weight of dia

AN ANTIQUE TURQUOISE AND DIAMOND BANGLE, LATE 19TH CENTURY in yellow gold and silver, the hinged body set to one half with a row of eight graduated oval cabochon turquoise accented by trios of rose cu

Antique opal and diamond ring, set in 14kt yellow gold, approx. 1.0 ct oval opal cabochon (frosted), .35 ct. tw. Old European cut diamond sides, sz. 6 3/4, 3.1 grams. New bidders to Smiths - payment f

TWO ANTIQUE TIE / STICK PINS in yellow gold and silver, one set with a round cut ruby, diamond and sapphire, the other designed as a coiling snake, set with a round cut sapphire, unmarked, 6.0cm, 2.7g

With diamond halo, in an 18K white and yellow gold setting. In original leather box, Spaulding & Co. Chicago. Condition: fine hairline inclusion in opal. 2 1/2" long x 1/2" wide

One prong set with a small opal, the other set with a small single cut diamond. Condition: good.

(lot of 5) Antique gold stick pins, including: (1) 14kt yellow gold, pear shaped cabochon, possibly moonstone, blue enamel frame, approx 2.75"l, (1) 10kt yellow gold, diamond-set flower, approx 2 3/8"

Five quality stick pins. 1) Ruby and diamond heart shape stamped 10kt, 2) Cabochon moonstone clear with opalescent shine. Set in white 14kt gold and enamel bezel with 14kt yellow gold pin, 3) antique

Beautiful Victorian Era Antique Diamond stick pin in yellow gold. Set with approximately .5 CTW Old Euro Cut Diamonds. 6 cm long, excellent condition. gold tests in the 10-12k range. total weight: 1.5

AN OPAL AND DIAMOND RING in yellow gold, set with an oval cabochon opal doublet within a border of single cut diamonds, no assay marks, size Q / 8, 5.3g.

A FINE ANTIQUE TURQUOISE, PEARL AND DIAMOND BLACKAMOOR STICK PIN / BROOCH in yellow gold and silver, depicting the bust of a lady carved in banded agate, wearing traditional headdress featuring engrav

AN OPAL AND DIAMOND RING in 9ct yellow gold, set with an oval cabochon opal and old cut diamond of approximately 0.27 carats, full British hallmarks for 9ct gold Birmingham 1988, size N / 7, 5.8g.

AN ANTIQUE MOONSTONE STICK PIN in 18ct yellow gold, set with a cabochon moonstone, stamped 18, 6.0cm, 1.7g.

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.