An opal and diamond bar brooch

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 opal and diamond bar brooch. The cushion-shape opal cabochon, with old-cut diamond trefoil and bar sides. Estimated total diamond weight 0.75ct. Length 6.8cms. Weight 7.2gms. With case. Overall con

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 - 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,

A mid 20th century diamond and opal bar brooch. The oval opal cabochon, with old-cut diamond sides, to the tapered bar. Estimated total diamond weight 0.20ct. Length 6.6cms. Weight 4.7gms.

NO RESERVE - AN ANTIQUE ART NOUVEAU DIAMOND AND OPAL BAR BROOCH in 15ct yellow gold, set with an old cut diamond and an opal cabochon within two scrolling bars, stamped 15, 4.0cm, 3.9g.

A selection of jewellery. To include an early 20th century diamond and seed pearl bar brooch, a 9ct gold diamond and opal triplet pendant with a 9ct gold chain, an early 20th century ruby, split and s

PINK SAPPHIRE AND DIAMOND BAR BROOCH Set with a cushion-shaped pink sapphire, on a knife-wire bar terminating in old cushion-shaped diamonds, diamonds approx. 2.25cts total, length 6.0cm Footnotes:

Antique Silver, Gold, Ruby and Diamond Bar Brooch One oval ruby ap. 1.10 cts., 12 cushion-shaped rubies, 54 old-mine cut diamonds ap. 3.30 cts., ap. 6.6 dwts. C

RUBY AND DIAMOND BAR BROOCH The cushion-shaped rubies set between duos of single and cushion-shaped diamonds, length 9.8cm

An antique 14k gold bar brooch set with a central floral shaped diamond cluster, set with thirteen old European cut diamonds. Flanked on either side by pave set diamonds, and two round Old Europeancut

This wonderful and romantic Victorian-era brooch shimmers with 12 colorful heart shaped opals and 44 sparkling old mine-cut diamonds, all of which are set in 14K gold. This distinctive and dreamy anti

J.E. CALDWELL, EDWARDIAN, DIAMOND BAR BROOCH Containing one old mine cut diamond weighing approximately 0.85 carat and 15 old mine cut diamonds weighing approximately 0.90 carat total. Mounted in plat

NATURAL PEARL AND DIAMOND BAR BROOCH, LATE 19TH CENTURY; HALF PEARL AND DIAMOND BROOCH 1st: Set with three button-shaped natural pearls and cushion and rose-cut diamonds, 2nd: The lozenge-shaped panel

AN ART DECO ONYX AND DIAMOND BAR BROOCH, CIRCA 1925 Set with two tapering onyx cabochons within a pierced surround set with old brilliant and single-cut diamonds, millegrain detailing throughout, moun

Antique Black Australian Opal on Matrix Diamond Brooch of 18K Gold Dimensions: 15.86 x15.35 x12.00 mm* Weight: 22.80 grams* * (estimate/approximately)

1970's Victorian Revival Australian Opal Diamond Brooch. Featuring an open frame floral motif centrally set with a oval cabochon cut "jelly" opal exhibiting a harlequin blue, green and red play of col

SAPPHIRE AND DIAMOND BAR BROOCH Set with alternating oval-cut sapphires and cushion-shaped diamonds, diamonds approx. 1.20cts total, length 6.5cm

ANTIQUE 4.50 CARAT SAPPHIRE AND DIAMOND BAR BROOCH in gold, set with round cut sapphires totalling approximately 4.50 carats and alternating rose cut diamonds, unmarked, 8.6cm, 10g.

A 10k Gold Diamond Bar Brooch PinApproximately : 0.50 carat Center Diamond, 2.56 TCW - Diamonds Approximate Dimensions: 6.2 cm (length) x 1 cm (width) x 12.2 grams in weight

DIAMOND BAR BROOCH Set with three cushion-shaped diamonds, diamonds approx. 1.55cts total, length 4.2cm

Large oval 14K yellow gold brooch with hidden bail on back to convert to a pendant, set with large white opal cabochon and the foliate frame set with brilliant cut white diamonds, height 2", width 1.7

ANTIQUE EMERALD AND DIAMOND BAR BROOCH. set with emeralds totalling 1.40 ct approx, with diamonds totalling 1.20 ct approx . with engraving. W 7 cm. 5.1 grams.

A THREE STONE DIAMOND BAR BROOCHThe old brilliant cut diamonds in eight claw settings, approximately 1.65 carats total, to a knife edge bar, to a double pin brooch fittingSize/dimensions: 4.9cm longGr