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
Sold201714K Gold, Onyx, Ruby, Diamond & Carved Opal BroochArt Deco style black onyx, 14K gold, ruby & diamond brooch with applied carved opal fish and conch shell. Measures 1.75" x 1.13".See Sold Price
Sold2016Art Deco Platinum Black Opal & Diamond PendantArt Deco Platinum Black Opal & Diamond Pendant. It features a drop design centrally set with a massive pear shaped black opal. It exhibits a harlequin peacock play-of-color and measures 31.00mm x 21.0See Sold Price
Sold2022A FINE ART DECO BLACK OPAL AND DIAMOND RING in white gold, set with a pear shaped cabochon opalA FINE ART DECO BLACK OPAL AND DIAMOND RING in white gold, set with a pear shaped cabochon opal accented by round cut diamonds, no assay marks, size I / 4.5, 3.5g.See Sold Price
Sold2023An Art Deco single stone black opal ring,An Art Deco single stone black opal ring, An Art Deco single stone black opal ring, with diamond set shoulders. A circular tallow cabochon cut black opal, milligrain set to each shoulder, to a ridgedSee Sold Price
Sold2016An Art Deco Black Onyx & Diamond Bow PinPlatinum Art Deco brooch with black onyx and diamond bow brooch, 2 in. L, 9 gramsSee Sold Price
Sold2022Black, Starr & Frost, Art Deco diamond broochBlack, Starr & Frost Art Deco diamond brooch Set with old European-cut diamonds Platinum Signed B.S & F 2 x 0.125 in; Gross weight 5.9 dwtsSee Sold Price
Sold2022Deco Diamond and Platinum BroochArt Deco Diamond, Emerald, Black Onyx and Platinum Brooch. Set in the center with an approx. .65 carat old European cut diamond, H-I color, VS2 clarity. Accented with approx. 3.50 carat TW old EuropeaSee Sold Price
Sold2017Diamond and Onyx Bow Brooch in 14 Karat White Gold andAn Art-Deco black onyx bow brooch ca 1930's. 14k white gold double pin back and frame. Diamonds set in platinum weighing approximately three carats total weight including center marquise cut diamond.See Sold Price
Sold2023Art Deco Style 18 Karat White Gold, Diamond and Opal Broochwhite gold brooch center bezel set with one oval cabochon cut White Opal, approximately 54.80 carats, accented with 46 full cut round Diamonds [I/I-1], approximate total weight 0.48 carats, 27.1 gramsSee Sold Price
Sold2022ART DECO ROCK CRYSTAL, ENAMEL AND DIAMOND BROOCH,ART DECO ROCK CRYSTAL, ENAMEL AND DIAMOND BROOCH, CIRCA 1925 Of geometric design, the openwork square rock crystal plaque accented by black enamel bands and single-cut diamonds, between pierced, similSee Sold Price
Sold2022ART DECO DIAMOND BROOCHVintage handmade Art Deco period Platinum and 18K Gold "Bar" brooch with black enamel, stamped "CDP Inc. France". A double row of (32) Round Brilliant Cut Diamonds, total weight 1.50ct, Clarity VS1, CSee Sold Price
Sold2018Art Deco Platinum, Opal & Diamond RingArt Deco Platinum, Opal & Diamond Ringcentered on a prong set, oval black opal (14.97 x 10.48 x 5.03 mm) with three single cut diamonds on either side weighing approximately .11 total carat (H-I colorSee Sold Price
Sold2024ART-DECO JADE, ENAMEL AND DIAMOND BROOCHART-DECO JADE, ENAMEL AND DIAMOND BROOCH,High carat gold.Carved green jade center plaque.The surmount with black and red enamel, in good condition.Accentuated with diamonds.W. 5.2 cm.8.4 grams.See Sold Price
Sold2022AN ART DECO STYLE CORAL, ENAMEL AND DIAMOND BROOCHAN ART DECO STYLE CORAL, ENAMEL AND DIAMOND BROOCH, two oval pink-orange corals tied by a bar and accented with black enamel and milgrain round brilliant-cut diamonds. Stated total diamond weight 0.20See Sold Price
Sold2022JEWELRY. Art Deco 14kt Gold, Jade, Enamel andDiamond Brooch. Art Deco 14kt yellow gold brooch displaying a central carved jade plaque with a surround of red and black enamel work and (4) single cut diamonds. Stamped, "14k" verso. FromSee Sold Price
Sold2024Opal, Diamond, Emerald and Onyx EarringsArt Deco style Approx. 6.25 Carat TW Two White Opals, 1.10 Carat TW Small Round Cut Diamonds, .55 Carat Two Marquise Cut Emeralds, Black Onyx and Silver Pendant Earrings with 14 Karat Yellow Gold PostSee 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
Sold2017Erte Bronze Letter B BroochErte (Romain De Tirtoff, Russian/French, 1892-1990), Art Deco Letter B limited edition brooch, comprised of 14K yellow gold, diamonds and black onyx. Numbered 105/1000. Certificate of authenticity incSee Sold Price
Sold2022BOUCHERON, AN EXCEPTIONAL ANTIQUE ART DECO DIAMOND AND ENAMEL BROOCH in platinum and 18ct white goldBOUCHERON, AN EXCEPTIONAL ANTIQUE ART DECO DIAMOND AND ENAMEL BROOCH in platinum and 18ct white gold, the geometric body set with old cut diamonds within two octagonal borders of black enamel, the priSee Sold Price
Sold2020AN ART DECO ONYX AND DIAMOND JABOT PIN BROOCH the bodyAN ART DECO ONYX AND DIAMOND JABOT PIN BROOCH the body terminated by drop shaped motifs set with black onyx cabochons within borders of old and rose cut diamonds, unmarked, 8.3cm, 7.3g.See Sold Price
Sold2022AN ART DECO DIAMOND, ROCK CRYSTAL AND ENAMEL BROOCHAN ART DECO DIAMOND, ROCK CRYSTAL AND ENAMEL BROOCH the rectangular plaque with pierced diamond-set leaves, spaced by frosted rock crystal and diamond panels, between black enamel and diamond borders.See Sold Price
Sold2023French Art Deco 18k gold and enamel broochA French Art Deco period 18K yellow gold circular brooch with black enamel inlay and diamond accents on a gold faux-crocodile skin ground, with French maker's mark " FP" or "PP"? In two places and FreSee Sold Price
Sold2018French Art Deco Enamel, Diamond, 18k Yellow Gold BarFrench Art Deco Enamel, Diamond, 18k Yellow Gold Bar Brooch. Featuring alternating segments of black and mottled green enamel, accented by rose-cut diamonds, set in an 18k yellow gold bar brooch mountSee Sold Price
Jun 06Elmwood'sAN ART DECO BLACK OPAL AND DIAMOND RING in platinum, set with an oval cabochon black opal, the£12,000
3 days LeftMiami Auction GalleryANTIQUE BLACK STARR & FROST-GORHAM DIAMOND PLATINUM DECO BROOCH PINUS$12,750
35 mins LeftGWS Auctions Inc.J.E. Caldwell 12.50ct Opal, 0.80ctw Diamond, Platinum RingUS$3,000(1 bid)
Jun 24Platinum Auction GroupArt Deco Platinum Diamond Brooch Gold Enamel Amethyst 14k YellowUS$300(1 bid)
3 days LeftA.H. Wilkens Auctions & AppraisalsART DECO PLATINUM AND DIAMOND BOW BROOCH, 10.1gCA$350(1 bid)
Jun 06Elmwood'sCARTIER, AN ART DECO CORAL, DIAMOND, PEARL AND ENAMEL BLACKAMOOR BROOCH in 18ct yellow gold, the£1,800