A BOULDER OPAL AND PINK SAPPHIRE BROOCH / NECKLACE in 18ct gold, set with a central polished boulder

A BOULDER OPAL AND PINK SAPPHIRE BROOCH / NECKLACE in 18ct gold, set with a central polished boulder opal of 39.0mm in a border of round cut pink sapphires, on a black cord necklace, clasp stamped 750

AN ANTIQUE OPAL AND DIAMOND BAR BROOCH in 18ct gold, set with a central oval cabochon opal between two old cut diamonds, with further rose cut diamonds to the bar, French import marks for 18ct gold, 3

NO RESERVE - A BOULDER OPAL STICK PIN in yellow gold, set with a polished boulder opal bead, no assay marks, head 8.5mm, 1.9g. 

AN ART NOUVEAU FRENCH SAPPHIRE NECKLACE in 18ct yellow gold, comprising a series of scrolling links, the central section of foliate design set with cabochon sapphires, French assay marks, 45.0cm, 10.9

14K white gold ring, brightly polished, featuring centered prong set boulder opal cabochon, weighing approx. 2.65 carats, further adorned with 6 prong set round brilliant cut diamonds weighing a total

Three-piece 14K Gold pearl jewelry lot. Necklace: with bezel set Boulder Opal measuring 12mm x 10mm, necklace measures 19in Long and the pearls measure 3mm each. Earrings are clip, measure 1in diamete

Boulder Opal, 18k White Gold Pendant Necklace. Featuring one asymmetric boulder opal measuring approximately 26 x 12 mm, set in an 18k white gold pendant enhancer mounting, suspended from a 17 inch, 1

This is an authentic pendant and double chain necklace by Casato Roma Gioielli. It is crafted from 18k rose gold with a polished finish. The pendant has an open oval like shape set with a cluster of o

Bi-Color Gold, Pink Sapphire, and Diamond Necklacependant designed in a round lock motif with central cluster of pink sapphires weighing approximately .85 total carat bead set in yellow gold, the whit

GIA certified 5.51 G boulder opal pendant hung on an 18K yellow gold black diamond beaded necklace. Center stone set in a white + yellow metal pendant w/numerous near colorless round brilliants. Measu

14 kt. Yellow Gold, Opal and Diamond Pendant/Brooch Necklace , central oval cabochon opal, wt. approx. 7.00 cts.; pierced filigree surround set with 38 round cut diamonds, total wt. approx. 2.00 cts.;

Opal and Diamond Ring.  This 18 karat yellow gold ring features a 13.93 carat, polished freeform beautiful genuine boulder opal that is bezel-set in a frame of .75 carats round, brilliant-cut, G-

Includes a 14kt yellow gold pear-form pendant or brooch set with a central oval cut opal and surrounded by (15) faceted sapphires - stamped verso, "14K". Accompanied by a 14kt yellow gold br

Necklace is designed with detachable central panel with brooch fittings, set with carved mother of pearl face, pave diamond headdress and yellow gold and yellow sapphires. Necklace is number 82 of 250

ANDREW GRIMA, A VINTAGE AGATE AND DIAMOND BROOCH, 1973 in 18ct yellow gold, set with a polished slice of agate accented by a round brilliant cut diamond, signed GRIMA, AG Ltd, full British hallmarks f

A FINE OPAL AND DIAMOND PENDANT NECKLACE in 18ct white gold, set with a cabochon opal of 9.40 carats accented by round cut diamonds, stamped Au750, pendant 3.7cm, chain 45.0cm, 5.4g.

AN OPAL AND DIAMOND PENDANT NECKLACE in 18ct white gold, set with a pear shaped cabochon opal in a border of round brilliant cut diamonds, suspended from a chain, full British hallmarks, pendant 2.3cm

THEO FENNEL, AN AQUAMARINE, DIAMOND AND PEARL CHOKER NECKLACE, 1991 in 18ct white gold, set with a central oval cut aquamarine of 14.00 carats in a border of round brilliant cut diamonds, the necklace

AN ANTIQUE GARNET, PEARL, DIAMOND AND ENAMEL DEVANT DE CORSAGE BROOCH / PENDANT in 18ct yellow gold, set with a central trefoil of rose cut diamonds within clusters of oval cut garnets and pearls, sur

Metal : 14k Gold Designer : Not Signed Gemstone : Fancy yellow diamonds approx. 2.50-2.64ctw. Pink sapphires Measurements : Brooch is 56mm x 51mm. Earrings are 30mm x 29mm Marked: : 14k , PA

A SAPPHIRE, DIAMOND AND RUBY PANTHER BROOCH in 18ct yellow gold, set with round cut sapphires, rubies and diamonds, British hallmarks for 18ct gold, 3.9cm, 6.0g.

14k Gold opal and pink sapphire necklace15 3/4" long, 4.5 grams

AN ANTIQUE CAMEO, ENAMEL, RUBY, PEARL AND DIAMOND BROOCH, 19TH CENTURY in 18ct yellow gold, set with a central oval cameo carved in detail to depict a classical figure, within a border of rose cut dia

PINK SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with a round cut pink sapphire of 0.97 carats, within a border of round cut diamonds, with further diamonds set to the shoulders, stamped