Sold2018Unusual 18k Gold, Opal & Diamond Pendant/BroochUnusual 18k Gold, Opal & Diamond Pendant/Brooch, Signed. Art Nouveau Style. Chip on chin, mostly visible on reverse. Dimensions- Total Pin L- 2 1/2". Total Weight- 17.5.g. 11.3dwt.See Sold Price
Sold2023Ladies 18k Gold & Opal Ring, Opal & Diamond BroochLadies 18k Yellow Gold and Opal Ring, and an Opal, Diamond and 10k Yellow Gold Brooch. 7.7 g.t.w. Brooch: L: 1.25 in.See Sold Price
Sold2018An 18K Gold Opal Ruby Emerald and Diamond Brooch18K gold; 37 opals, approx. 4.50 carats; four marquise and round-cut rubies, approx. 1.10 carats; 15 pear-shaped emeralds, approx. 4.50 carats; 32 single- and round brilliant-cut diamonds, approx. 0.5See Sold Price
Sold2022Casbah 18k Gold Diamond Opal Brooch PendantMETAL: 18k Gold. MEASUREMENTS: Brooch is 36mm x 36mm. GEMSTONES: Opals, Diamonds approx. 2.20ctw (one stone is missing). MARKED: Casbah, 18k. WEIGHT: 10.4 grams.Gemstones have not been graded for coloSee 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
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
Sold2023Ruby Diamond Opal 18K Gold and Steel BroochRuby diamond opal brooch; steel and 18K yellow gold brooch with worn hallmarks; Test: white metal not gold/18K yellow gold, one oval 7x5mm opal is bezel set with small 3.5mm pearl accent set into yellSee Sold Price
Sold202211102: Opal, Diamond, White Gold Brooch Stones: Opal cOpal, Diamond, White Gold Brooch Stones: Opal cabochons; full-cut diamonds weighing a total of approximately 4.40 carats Metal: 18k white gold Gross Weight: 2See Sold Price
Sold202118K Platinum Opal Diamond Retro Brooch18K Yellow Gold Platinum Weight 5gr Opal Approx 0.30 Ct Diamond Approx 0.35ct Retro Brooch Measurements 1.5”X0.7”See 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
Sold202318k and 14k Gold Victorian Brooches14k gold diamond brooch set with three rose cut diamonds, approximately .90 ct tw, and two 18k gold figural brooches brooches, Chicks set with pearls and Bee set with seed pearls and opal, the largestSee Sold Price
Sold202118K Gold Ed Wiener Diamond Brutalist Brooch PinEd Wiener (American, 1918-1991). Signed vintage designer gemstone brooch. A freeform Brutalist design with prong set round cut diamonds set around a large oval opal doublet with great play of color. CSee Sold Price
Sold2022Nicolai Medvedev 18k Yellow Gold, Stone and Diamond Pendant / BroochApproximately pentagon shaped having lapis lazuli and opal collage of stones in an intarsia design topped by round cut diamonds; signed 'N. Medvedev' on back, dated 1992 Property from: an Illinois estSee Sold Price
SoldAMETHYST, OPAL AND DIAMOND BEE BROOCHAMETHYST, OPAL AND DIAMOND BEE BROOCH Oval mixed cut amethyst, round brilliant cut diamonds and round cabochon opals. 18 karat yellow gold. 1 1/2 inches x 1 inch. Stamp: SB 18K 765. Gross weiSee Sold Price
Sold2020Edwardian Gold Opal Ruby Articulated Turtle18K. A wonderful three dimensional turtle brooch with diamonds, natural French cut rubies and intricately set opals in an enamel border. Silver topped articulated head, tail, and limbs. Excellent condSee Sold Price
Sold2016Custom Made Gold and Diamond BroochStone (or possibly composition) base with opal eyes, diamond eyelashes, gold nose, with a diamond and turquoise fly mount. (gold mark hard to read at either 10K or 18K). 2.25" X 1.75"See Sold Price
Sold2023ART NOUVEAU STYLE PLIQUE-A-JOUR DRAGONFLY BROOCH18K yellow gold and 14K white gold Art Nouveau style plique-Ã -jour dragonfly brooch set with a cabochon opal, two cabochon aquamarine eyes and round cut diamond accents. Apparently unmarked but tesSee Sold Price
Sold2022David Webb Bicolor 18K Gold & Diamond BroochDavid Webb 18k yellow and white gold brooch with approx. 4cts of diamonds. Stamped WEBB 18K. Approx. 1.75 x 1.75 in., gold weight 28 grams.See Sold Price
Sold2023Van Cleef & Arpels Cheveux d'Ange 18k Gold Diamond Brooch PinMETAL: 18k Gold. GEMSTONES: Diamonds approx. 2.40ctw. MEASUREMENTS: Brooch is 32mm x 32mm. MARKED: Van Cleef & Arpels Made in France 18k, 288612. WEIGHT: 16.5 grams.Gemstones have not been gradedSee Sold Price
Sold2020CARTIER 18K Gold & Diamond Brooch18K yellow gold and diamond brooch, by Cartier, signed and numbered 22449. Approx. 2.5 ct. diamonds. 1 3/4" x 1 7/8". 24.3 dwt.See Sold Price
Sold2023George Schuler Tiffany & Co. 18K Gold Diamond Brooch Pin and EarringsGeorge Schuler For Tiffany & Co. 18K Gold Diamond Brooch Pin and Earrings The Earrings and Brooch Pin feature approximately 1.15 Total Carats of Diamonds. The Brooch stamped on back : TIFFANY & CO. 18See Sold Price
Sold2018Original Cartier 18K Gold & Diamonds BroochCartier 18 K yellow gold and diamond tulip brooch.5 cm x 2.5 cm, weight 21.6 gSee Sold Price
Sold2017Boucheron Paris 18k Gold Diamond Brooch PinMETAL: 18k Gold. MEASUREMENTS: Brooch measures 85mm x 45mm . GEMSTONES: Diamonds - approx. 3.00ctw. MARKED: French assay marks, Boucheron Paris. WEIGHT: 35 grams.Gemstones have not been graded for colSee Sold Price
Sold2023Koven 18k Gold Diamond Brooch Pin SetMetal : 18k Gold Designer : Koven Gemstone : Diamonds approx. 4.00ctw Measurements : Brooches are 60mm x 20mm each Marked: : Koven 1964 Weight: 19.2 gramsSee Sold Price
Jun 20Modern JewelryAntique French Victorian Bangle Bracelet Earrings Brooch 18k Gold Diamond EnamelUS$20,250
3 days LeftJasper52Antique French Victorian Bracelet Earrings Brooch 18k Gold by Antoine BarrièreUS$13,000
7 days LeftHess Fine AuctionsVintage Van Cleef & Arpels 18k Gold Fine Diamond Signed Numbered Midcentury BroochUS$30(3 bids)
Jun 19Kotler Galleries & AuctioneersTWO TONE ITALIAN 18K GOLD DIAMOND FLORAL BROOCH MARKED ITALY 18K An Impressive High Relief TwoUS$2,000
7 days LeftHess Fine AuctionsCurious Whimsical Signed Garrard 18K Gold Golf Diamond Duck Brooch PinUS$125(4 bids)
Jun 16Mynt AuctionsKutchinsky Platinum & 18K Yellow Gold Diamond Flower Brooch And Earrings Jewelry SetUS$5