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
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
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
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
Sold2019ANTIQUE OPAL, DIAMOND AND ENAMEL BROOCH, 19TH CENTURYANTIQUE OPAL, DIAMOND AND ENAMEL BROOCH, 19TH CENTURY in high carat yellow gold, in open heart design set with a moon cabochon opal, old and rose cut diamonds totalling approximately 10.00 carats andSee 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
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
Sold2023ANTIQUE OPAL AND DIAMOND CRESCENT BROOCHANTIQUE OPAL AND DIAMOND CRESCENT BROOCH,High carat gold.Opals well matched with nice play of colour including reds.Diam. 2.7 cm.5 grams.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
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
Sold2022Antique 14k Gold Opal Diamond Brooch PendantMETAL: 14k Gold. MEASUREMENTS: Brooch is 35mm in diameter. GEMSTONES: Opal (multiple stones are chipped). Diamonds approx. 0.60ctw. MARKED: 14k. WEIGHT: 11.4 grams.Gemstones have not been graded for cSee Sold Price
Sold2023ANTIQUE BELLE EPOQUE OPAL AND DIAMOND BROOCHANTIQUE BELLE EPOQUE OPAL AND DIAMOND BROOCH, Set with a large marquise shaped opal of approx. 28 x 9.7 mm. Surrounded with bright and lively diamonds. L. 4 cm. 10.1 grams.See Sold Price
Sold2022Antique 14k Gold Opal Diamond Pendant BroochMetal : 14k Gold Designer : Not Signed Gemstone : Diamonds approx. 0.60ctw, Opal (multiple small chips on stones) Measurements : Brooch is 35mm in diameter Marked: : 14k Weight: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
Sold202214k Gold Opal, Ruby, Diamond Brooch.Antique 14k Gold Opal, Ruby, Diamond Brooch. Antique brooch with a large, lovely opal stone, 16x12mm. With 6 rubies and 12 old cut diamonds. 2.6x1.6cm. 4.16gr.See Sold Price
Sold2021Antique Yellow Gold Diamond & Opal Cameo BroochAntique Early 20th Century Yellow & White Gold, Diamond, & Opal Cameo Brooch. Circa 1900. A rare large hand carved opal cameo of Floral in a border of old mine cut diamonds. Approximately 1.65 carats.See Sold Price
Sold2022Vintage Platinum, Opal and Diamond BroochDESCRIPTION: A Platinum convertible Brooch/pendant centered by a Large White Opal weighing approx. 20.6cts, encompassed by a series of Round cut Diamonds the top tier diamonds weighing approx. 0.25ctsSee Sold Price
Sold202314K Yellow Gold Diamond Opal Brooch Pendant. Size 2" weight 17.8 grams14K Yellow Gold Diamond Opal Brooch Pendant. Size 2" weight 17.8 gramsSee Sold Price
Sold2018Victorian Style Opal, Diamond, Silver, Bug BroochAntique Victorian style silver gilt bug brooch pin that can also be worn as a pendant, wings can be adjusted up and down to change the look of the brooch, set with 87 rose cut diamonds light gray in cSee 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
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
Sold2023Antique 14K Gold Pendant/Brooch w/ Large Opal & DiamondsAntique 14K Gold Pendant/Brooch with Large Opal and Diamonds. Condition: Excellent. Dimensions: 1.6" x 1.4". Weight: 9dwt / 14g. Provenance: From a Long Island, NY Home. Please note the absence of a CSee Sold Price
Sold2016ANTIQUE STYLE .50ctw DIAMOND 2.5ctw OPAL SILVER-GILTThis is a NEWLY MADE BUG BROOCH PIN that was made in an ANTIQUE VICTORIAN STYLE from SILVER-GILT (sterling silver gilded with gold). It is a BROOCH PIN, but you could also wear it as a pendant if youSee Sold Price
Jun 06Elmwood'sAN ANTIQUE OPAL AND DIAMOND BROOCH / PENDANT in yellow gold and silver, set with an oval cabochon£1,200
Jun 06Elmwood'sAN ANTIQUE OPAL, DIAMOND AND ENAMEL BROOCH in platinum and yellow gold, set with a rectangular£1,800
2 days LeftJasper52Antique French Victorian Bracelet Earrings Brooch 18k Gold by Antoine Barrière$13,000
3 days LeftFederal Assets AuctioneersAntique Victorian Custom 14k Gold 11 Stick Pin Gemstone Pearl Tiara Crown Brooch$1
1173 Lots AwayThousand Planet Auction HouseAn Antique Victorian Conch Shell Cameo, Carved Intaglio, c. 1837-1901$10
2024Thousand Planet Auction HouseAn Antique Victorian Conch Shell Cameo, Carved Intaglio, c. 1837-1901See Sold Price
Jun 06Elmwood'sAN ANTIQUE OPAL, DIAMOND AND PEARL BANGLE in 18ct yellow gold and silver, comprising a row of pearl£900
Jun 06Elmwood'sA FINE ANTIQUE DIAMOND BROOCH in yellow gold, set to the centre with an old European cut diamond of£12,000
2 days LeftElmwood'sAN ANTIQUE DIAMOND BROOCH in silver, the openwork brooch set throughout with old and rose cut£1,800
2 days LeftElmwood'sAN ANTIQUE DIAMOND BROOCH in yellow gold and silver, the scrolling foliate style brooch set£900
2 days LeftElmwood'sAN ANTIQUE DIAMOND BROOCH in yellow gold and silver, the scrolling brooch set throughout with old£1,800
2 days LeftElmwood'sAN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three oval cabochon opals accented by£480
2 days LeftElmwood'sAN OPAL AND DIAMOND BROOCH / PENDANT in yellow gold and silver, the openwork body set with an old£480