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
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
Sold2021Natural Australian Opal Emerald Diamond 18k Gold BroochNatural Australian Opal Emerald Diamond 18k Gold Pin Large Carved Flower Midcentury Brooch Description: I wish you could see this in person because it is sooooo much prettier than the pics! The largeSee Sold Price
Sold2021Australian Black Opal & Diamond Set Platinum PendantDESCRIPTION: An antique black opal pendant necklace. Features a 16-18 Carat Opal, further completed with diamond set platinum bow in a 14kt yellow gold setting. Complete with a 14kt yellow gold box chSee Sold Price
Sold2022Antique Opal Cameo Diamond Platinum BroochAntique black opal cameo set atop onyx set in platinum and 18kt white gold with diamonds. Width 1 3/8;; total weight 7.5 grams Condition: Two tight fissures in onyx at 12 and 6, perhaps intentionalSee Sold Price
Sold2022Black Opal Lighting Ridge Antique Tie Pin European Diamonds 18K / PlatinumAn Antique 18K and Platinum Tie Pin with Stunning Lighting Ridge Black Opal with Distinguished Harlequin Pattern • Black Opal Measures 7mm x 10mm x 2.6 mm / 1.01 Carat Approx • Surrounded bySee Sold Price
Sold2022Vintage 18K Gold Australian Opal Diamond Cluster RingThis is a vintage ladies ring made by the Fine Jewelers Guild (FJG). Rendered in fine 18K yellow gold, this biomorphic ring features a cluster of six Australian opal cabochons with striking red, greenSee Sold Price
Sold2023Vintage 18k and Australian Black Opal Beaded NecklaceDESCRIPTION: An Antique beaded necklace comprised of Australian black opal, graduating in size, alternating with 18k yellow gold spacers and closure. Approx. 326 carats CIRCA: Early-Mid 20th Century OSee Sold Price
Sold2021Victorian Opal Diamond Star 18k Gold Locket PendantAntique star flower puffy locket Natural Australian opal, approx. 1.5ct 18 rose and mine cut diamonds, approx. .75ctw Glass back compartment Length: 1 1/8" (including bale) Width: 1 1/4" TotaSee Sold Price
Sold2021Antique Opal Diamond 18k Gold PendantDouble articulated lavalier Australian oval opal, approx. .50ct 19 mine cut diamonds, approx. .35ctw Length: 1 1/2" (including bail) Width: 1" Total weight: 2.5 grams Provenance: Former inveSee Sold Price
201918k Gold, silver, Diamonds & Opal BroochAntique Turtle Brooch with a center natural Opal (18x12x4mm) and Rose Cut Diamonds Approx. 2 CT. Measurements: 8.5x1.55\'\'. Weight: 10.2g.See Sold Price
Sold2022Antique Victorian, Opal, diamond, enamel broochAntique Victorian Opal, diamond, enamel, and gold brooch Set with cabochon opals and rose-cut diamonds, in a swirling surround of black enamel; 1880s Yellow gold 2.75 x 1.25 in; Gross weight 12.0 dwtsSee Sold Price
Sold2017ED WIENER 18K Gold Hand Wrought Diamond Brooch PeED WIENER 18K Gold Hand Wrought Diamond Brooch Pendant Pin. Large sculptural modernist brooch with 5 faceted prong set diamonds and large set opal center stone. Mid century hand crafted studio jewelrySee Sold Price
Sold2024Antique Black Opal Diamond white gold ring with GIA reportVintage from the 1920s Ships from New York! Shorter shipping distances are kinder to the planet Ordering items closer to you is more likely to reduce your purchase's carbon footprint. Materials: BlackSee 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
Sold20151970's Victorian Style Australian Opal Diamond1970's Victorian Style Australian Opal Diamond Brooch/Pendant 2.00CtsSee Sold Price
Sold2021ANTIQUE BLACK OPAL AND DIAMOND RING, EARLY 20TH CENTURYANTIQUE BLACK OPAL AND DIAMOND RING, EARLY 20TH CENTURY mounted in yellow gold, claw-set with an oval black opal measuring 14.8 x 10.5mm,and weighing approximately 3.36 caarts, within a border of circSee Sold Price
Sold2022AN ANTIQUE OPAL AND DIAMOND BROOCH in yellow gold and silver, set with a central cabochon opalAN ANTIQUE OPAL AND DIAMOND BROOCH in yellow gold and silver, set with a central cabochon opal within a scrolling openwork mount set with old cut diamonds, the diamonds all totalling 5.3-5.5 carats, nSee Sold Price
Sold2022ART DECO, BLACK OPAL AND DIAMOND BROOCHART DECO, BLACK OPAL AND DIAMOND BROOCH Containing one oval cabochon black opal measuring approximately 19.85 x 17.10 x 5.85 mm and 18 old mine cut diamonds weighing approximately 0.80 carat total. MoSee Sold Price
Sold2020AN ANTIQUE OPAL AND DIAMOND BROOCH, 19TH CENTURY inAN ANTIQUE OPAL AND DIAMOND BROOCH, 19TH CENTURY in high carat yellow gold, designed as a crescent moon jewelled with graduated cabochon opals accented by old and rose cut diamonds, set to a plain barSee Sold Price
Sold2020AN ANTIQUE OPAL AND DIAMOND BROOCH in yellow gold andAN ANTIQUE OPAL AND DIAMOND BROOCH in yellow gold and silver, formed of a trio of flower motifs, each set at the centre with a round cabochon opal, accented in the petals by rose cut diamonds, unmarkeSee Sold Price
Sold2019Black Opal, Diamond and 18K Gold PendantApprox. 2.14 Carat Opal,3.38 Carats Diamonds and 18 Karat White Gold Pendant. Stamped 18K. Measures 1-1/4" x 1-1/4". Approx. weight 6.15 grams. Condition: As New Condition. Estimate: $500.00 - $700.00See Sold Price
Sold2019Black Opal, Diamond and 18K Gold PendantApprox. 12.81 Carat Opal, .93 Carats Diamonds and 18 Karat White Gold Pendant. Stamped 18K. Measures 1-5/8" x 1-1/2". Approx. weight 10.68 grams. Condition: As New Condition. Estimate: $800.00 - $1200See Sold Price
Sold2021AN ANTIQUE OPAL AND DIAMOND BROOCH in yellow gold andAN 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.See Sold Price
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Featured7 days LeftJasper52Antique Emerald Diamond Crescent Moon Brooch Pin 18K Yellow Gold 2.42 CTW 7.73 G$2,400
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7 days LeftJasper52Antique Victorian Rectangle Diamond Pendant Brooch Pin 18K Yellow Gold, 16.25 Gr$5,500
May 28Miami Auction GalleryANTIQUE BLACK STARR & FROST-GORHAM DIAMOND PLATINUM DECO BROOCH PIN$12,750
1 day LeftMynt Auctions18k Yellow Gold Antique Floral Brooch/Pendant with Diamonds and Ruby 7.2gr$770
7 days LeftJasper52Antique Art Nouveau Diamond Ruby Flower Brooch Pin 18K Yellow Gold, 38.16 Gr$4,200
3 days LeftJasper52Authentic! Michele Della Valle 18k White Gold White & Black Diamond Zebra Brooch$6,500