Sold2017A Lady's Gold, Black Onyx & Diamond Brooch by Erte14K yellow gold rectangular brooch by Erte featuring diamond studded snake wrapped around woman's body with diamond accents in the corners of the brooch, carved black onyx base, traditional pin back,See Sold Price
Sold2022Black Onyx And Diamond Brooch14k Yellow And White Gold Framed Black Onyx Centered With A Diamond Accent, 2.9 Dwt.See Sold Price
Sold2016Russian Gold Black Onyx stone & diamonds brooch locketRussian Gold Black Onyx stone with diamonds brooch locket. Marked and Stamped. Comes in presentation box.Dimensions: Total length: 2" approx Total width: 2.5" approx length of suspension: 1.3" width oSee 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
Sold2022White Gold, Black Onyx, Angel Skin Coral and Diamond BroochWhite Gold, Black Onyx, Angel Skin Coral and Diamond Brooch Black onyx frame ap. 33.0 x 35.0 mm., small round diamonds, 2 small round cabochon angel skin coral, 12 navette-shaped angel skin coral, 18See 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
Sold2024Gump's Black Onyx, Diamond, 18k Yellow Gold Crab BroochGump's Black Onyx, Diamond, 18k Yellow Gold Crab Brooch. Designed as a crab, the shell comprised of a black onyx cabochon measuring approximately 15.2 x 19.5 mm, the eyes completed by two full-cut diaSee Sold Price
Sold2024Antique Tiffany Onyx Cameo, Diamond, 18k Gold Brooch.Antique Tiffany & Co. Black Onyx Cameo, Diamond, 18k Yellow Gold Pendant Brooch. Featuring one rectangular black onyx cameo depicting putti riding and pulling a chariot, accented by twelve old mine-cuSee Sold Price
Sold2022A CORAL, ONYX AND DIAMOND BROOCH in 18ct white gold, the body terminated at either end by an ovalA CORAL, ONYX AND DIAMOND BROOCH in 18ct white gold, the body terminated at either end by an oval coral cabochon within a border of black onyx, accented by trios of further black onyx cabochons withinSee Sold Price
Sold202314kt. Onyx, Coral, and Diamond Brooch17 precision cut coral, 46 precision cut black onyx accent in body and tail, pave set white diamonds, straight pin, tail is flexible, tested 14kt. white gold, length with tail 3-7/8 in., 15.4 grams PrSee Sold Price
Sold2016A 10K YELLOW GOLD AND DIAMOND BROOCHMeasures 1 x 1 inch, diamond is approximately .03ct set on top of black onyx in five prongs and weighs 4 grams. We happily provide seamless, low-cost in-house shipping on nearly everything we sell. ShSee 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
Sold2016Asch Grossbardt 14K Gold Diamond Gemstone Brooch Lot ofMETAL:14K gold. GEMSTONES: lapis lazuli, black onyx, turquoise, coral,mother of pearl,diamonds, malachite. MEASUREMENTS: butterfly brooch is 32mm x 21mm , fish brooch measures 27mm x 23mm. MARKED: 18KSee Sold Price
Sold2015Lot Of 3: Victorian Mourning Items.Including black onyx oval brooch with yellow gold and seed pearl star decoration; oval black onyx and diamond pendant with chain loops; and a round 14K yellow gold pin with enameled roman key and blacSee Sold Price
Sold202314k Gold Diamond & Onyx Stickpin14k Yellow Gold Diamond and Black Onyx Stick Pin Brooch Out of a New York City EstateSee Sold Price
Sold2024Art Deco Style, Black onyx, jadeite, and diamond necklaceArt Deco Style Black onyx, jadeite, and diamond necklace The dual strand necklace of black onyx and jadeite beads; with a detachable pendant brooch designed with carved jadeite, surrounded by polishedSee 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
Sold2018Collection of Victorian gem-set and 14k gold jewelrycomprising an enamel bangle bracelet (loss to enamel), an old European-cut diamond and black jade pendant, and a cultured pearl and onyx brooch; diamond weighing an estimated 0.20ct; bracelet size: 6See 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
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
Sold201918K Gold, Diamond, and Onyx Jabot Brooch18K Gold, Diamond, and Onyx Jabot Brooch the jabot brooch with two polished black onyx hearts measuring approx. 20.50 x 21.50 mm. and eight single-cut diamonds weighing approx. 0.25 tcw.; 10.37 dwts.;See Sold Price
Sold2022Diamonds, Onyx, Sapphires 18k gold BroochNice Egyptian motif Plaque Brooch crafted in 18k white Gold, featuring the shape of two animals made from Black Onyx, on a Pave Diamonds set weighing Approx. 2.05 carats. And Accented with natural BluSee Sold Price
Sold2023ERTÉ, Romain de Tirtoff, (Russian-French, 1892-1990) “F” Br...ERTÉ, Romain de Tirtoff, (Russian-French, 1892-1990) “F” Brooch. [Ca. 1980s]. Black onyx and pave set diamonds, 14 karat yellow gold. There are five graduating gold bars on top givingSee Sold Price
Sold201918K Gold, Diamond, Onyx, and Ruby Dog Brooch18K Gold, Diamond, Onyx, and Ruby Dog Brooch in the form of a terrier pave-set with full-cut diamonds in a black onyx sweater with a cabochon ruby eye; numbered 13202; 4.31 dwts.; lg. 1 1/4 in. ProvenSee Sold Price
Oct 01Aste Bolaffi Pendente-Spilla in diamanti e onice nero - diamond and black onyx pendant-brooch€6,000
543 Lots AwaySeized Assets AuctioneersEstate 18k Gold Vivid Red Ruby & Diamond Hippo Hippopotamus Brooch Pin Pendan$1
Sep 30Heritage Auctions55507: Craig Drake Diamond, Ruby, Black Onyx, White Go$1,500
Sep 30Heritage Auctions55320: Aldo Cipullo Diamond, Multi-Stone, Gold Brooch $9,000
9 hrs LeftMiami Auctions & Appraisals LLC Estate Diamond Pearl Coral Onyx 18K Gold White Ibis Bird Brooch Pendant$3,350
Oct 20Miami Auctions & Appraisals LLC Vintage Diamond Ruby Emerald Onyx 18K Gold Parrot Pin Brooch$10,500
3 days LeftJasper523.90CT NATURAL TOURMALINE DIAMONDS MOONSTONE BLACK ONYX 3D OWL BROOCH PIN 18KT+$2,200
Oct 16Kotler Galleries & AuctioneersDAVID YURMAN PETITE WHEATON RING BLACK ONYX DIAMONDS, An Outstanding Vintage Sterling Silver$25(2 bids)
6 days LeftSouth Jersey Auction by Babington Auction IncVintage hinged black onyx & diamond sterling silver cuff bracelet$25
1 day LeftJasper52Vintage 1960's Marquise Black Onyx Diamond Cocktail Ring 14K Yellow Gold 9.54 Gr$1,400
1 day LeftJasper52Vintage Geometric Black Onyx Diamond Drop Earrings 14K Yellow Gold, 9.82 Gram$1,600
1 day LeftJasper52Vintage Black Onyx Diamond Geometric Pendant Necklace 14K Yellow Gold 28.50 Gr$2,600
1 day LeftJasper52Vintage Black Onyx Diamond Square Bangle Bracelet 14K Yellow Gold, 30.75 Grams$2,800