Sold202210K GOLD ANTIQUE OPAL & DIAMOND BAR BROOCH, 4g10k 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 diaSee Sold Price
Sold2016An opal and diamond bar brooch. The cushion-shape opalAn 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 conSee Sold Price
Sold2022AN ANTIQUE OPAL AND DIAMOND BAR BROOCH in 18ct gold, set with a central oval cabochon opal betweenAN 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, 3See Sold Price
Sold2021NO RESERVE - AN ANTIQUE BLACK OPAL AND DIAMOND BARNO 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,See Sold Price
Sold2015A mid 20th century diamond and opal bar brooch.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.See Sold Price
Sold2022NO RESERVE - AN ANTIQUE ART NOUVEAU DIAMOND AND OPAL BAR BROOCH in 15ct yellow gold, set with an oldNO 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.See Sold Price
Sold2018A selection of jewellery. To include an early 20thA 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 sSee Sold Price
Sold2022PINK SAPPHIRE AND DIAMOND BAR BROOCHPINK 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:See Sold Price
Sold2022Antique Silver, Gold, Ruby and Diamond Bar BroochAntique 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. CSee Sold Price
Sold2022RUBY AND DIAMOND BAR BROOCHRUBY AND DIAMOND BAR BROOCH The cushion-shaped rubies set between duos of single and cushion-shaped diamonds, length 9.8cmSee Sold Price
Sold2023VICTORIAN 14K GOLD DIAMOND BAR BROOCH, 8.5gAn 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 EuropeancutSee Sold Price
Sold2016VICTORIAN 14KT YELLOW GOLD OPAL & DIAMOND BROOCHThis 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 antiSee Sold Price
Sold2022J.E. CALDWELL, EDWARDIAN, DIAMOND BAR BROOCHJ.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 platSee Sold Price
Sold2022NATURAL PEARL AND DIAMOND BAR BROOCH, LATE 19TH CENTURY; HALF PEARL AND DIAMOND BROOCH (2)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 panelSee Sold Price
Sold2022AN ART DECO ONYX AND DIAMOND BAR BROOCH, CIRCA 1925 Set with two tapering onyx cabochons within aAN 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, mounSee Sold Price
Sold2018Antique Black Australian Opal Diamond Brooch of 18KAntique Black Australian Opal on Matrix Diamond Brooch of 18K Gold Dimensions: 15.86 x15.35 x12.00 mm* Weight: 22.80 grams* * (estimate/approximately)See Sold Price
Sold20161970's Victorian Revival Australian Opal Diamond Brooch1970'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 colSee Sold Price
Sold2022SAPPHIRE AND DIAMOND BAR BROOCHSAPPHIRE AND DIAMOND BAR BROOCH Set with alternating oval-cut sapphires and cushion-shaped diamonds, diamonds approx. 1.20cts total, length 6.5cmSee Sold Price
Sold2019ANTIQUE 4.50 CARAT SAPPHIRE AND DIAMOND BAR BROOCH inANTIQUE 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.See Sold Price
Sold2021A 10k Gold 2.56 Carat Diamond Bar Brooch PinA 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 weightSee Sold Price
Sold2022DIAMOND BAR BROOCHDIAMOND BAR BROOCH Set with three cushion-shaped diamonds, diamonds approx. 1.55cts total, length 4.2cmSee Sold Price
Sold201714K Gold, Opal, Diamond Brooch / PendantLarge 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 1.7See Sold Price
Sold2022ANTIQUE EMERALD AND DIAMOND BAR BROOCHANTIQUE 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.See Sold Price
Sold2022A THREE STONE DIAMOND BAR BROOCHA 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 longGrSee Sold Price
3 days LeftDawsons AuctioneersAn opal and diamond bar brooch, the millegrain collet-set oval opal cabochon, measuring£350
3 days LeftElmwood'sLACLOCHE, AN ART DECO SAPPHIRE AND DIAMOND BAR BROOCH in platinum, set with a square step cut£1,200
Sep 30Adam's AuctioneersAN EARLY 20TH CENTURY ZIRCON AND DIAMOND BAR BROOCH The polished bar centring a claw-set€240
Sep 30Adam's AuctioneersAN EARLY 20TH CENTURY SAPPHIRE, CULTURED PEARL AND DIAMOND BAR BROOCH The central€120
Sep 30Adam's AuctioneersAN EARLY 20TH CENTURY DIAMOND BAR BROOCH The slightly tapered openwork panel, millegrain-set with€240
3 days LeftElmwood'sAN ANTIQUE FRENCH DIAMOND BAR BROOCH in 18ct yellow gold and silver, set with a row of old cut£600
3 days LeftOreilly's Fine ArtAN ANTIQUE TWO STONE DIAMOND BAR BROOCH, in white gold. Estimated: weight of diamonds: 1.00 ct€700
6 days LeftRR AuctionEdwin Booth Family Collection: Heart-Shaped Opal and Diamond Brooch$1,200(2 bids)
BonhamsATTRIBUTED TO MARCUS & CO.: AN ART NOUVEAU GOLD, DEMANTOID GARNET, OPAL, AND DIAMOND BROOCH$2,400