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
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
Sold2017VINTAGE OPAL, ONYX & DIAMOND PENDANT BROOCHSet with 3 round opals each approx. 4.5mm, and a center (5pt) diamond over an onyx stone approx. 15x11mm, in yellow gold stamped 14K, 2.5x2.25in., 21.2gms. Opening Bid: $500/See Sold Price
Sold2015LADIES 18K WHITE GOLD ONYX & DIAMOND BOW BROOCHLADIES 18K WHITE GOLD ONYX & DIAMOND BOW BROOCH Ladies 18K white gold onyx and diamond bow brooch. Includes six pieces of onyx, and approximately seventy-eight round white accent diamonds. Weight: 12.See Sold Price
Sold202114kt Onyx Diamond Ladybug Brooch14kt yellow gold, onyx, diamond, mother of pearl. Length: 1”. Weight: 3 g. 14kt yellow gold ladybug brooch with onyx back, mother of pearl spots, and diamond chip design. Marked 14k to undersideSee Sold Price
Sold2022Vintage Onyx and Diamond BroochCrafted in 14k yellow gold featuring (37) rose cut diamonds. The center diamond weighs approx. 1.0ct. The brooch measures 3 1/2in x 1in and weighs 7.9dwt.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
Sold2020Vintage Onyx Diamond Fly Brooch red eyeVintage Onyx Diamond Fly Brooch red eye 2 " Please view all photos as they are part of the description and condition of this Item, Feel free to contact me with questions or picture requests Used ItemSee 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
Sold2023Wander France 18K Onyx & Diamond EarringsLadies' 18K yellow gold clip-back earrings by Wander France featuring 2 frame style black onyx accented by 26 round brilliant diamonds approximately 0.78 carats, Clarity-VS2, Color-G. The earrings areSee Sold Price
Sold2022AN ART DECO ONYX AND DIAMOND BAR BROOCH, CIRCA 1925 Set with two tapering onyx cabochons within aAN ART DECO ONYX AND DIAMOND BAR BROOCH, CIRCA 1925 Set with two tapering onyx cabochons within a pierced surround set with old brilliant and single-cut diamonds, millegrain detailing throughout, mounSee 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
Sold202218K DIAMOND & ONYX BROOCH PENDANTset with 18 round brilliant cut diamonds approx. 1.35 carats (in our opinion: E color, VS1 clarity, however not guaranteed), and a rhombus cut onyx stone (minor edge chip to backside of stone), in carSee Sold Price
Sold2019ERTE ONYX & DIAMOND LETTER A BROOCHERTE ONYX & DIAMOND LETTER A BROOCH designed as 2 figures forming the letter A, accented with diamonds to the corners and figures, signed 'Erte CFA 14K', 2.5x1.5in., 22.9gms.See Sold Price
Sold201914k Gold Onyx MOP Diamond Caterpillar BroochMetal Content: 14k Gold. Weight of Item: 6.5 grams.Size: 31mm x 12mm. Gemstone: Mother of Pearl, Onyx, Diamonds.Carat Weight: approx. 0.04ctw.Stamp: 14k, 585, WLCKA.See Sold Price
Sold2022Antique Victorian 18k Gold Diamond Onyx Brooch PendantMETAL: 18k Gold. GEMSTONES: Rose cut diamonds. Onyx (stone has small scratches). MEASUREMENTS: Brooch is 38mm x 37mm. TESTED: 18k. WEIGHT: 9.1 grams.Gemstones have not been graded for color and claritSee Sold Price
Sold201914k Gold Onyx MOP Diamond Caterpillar BroochMetal Content: 14k Gold. Weight of Item: 6.5 grams.Size: 31mm x 12mm. Gemstone: Mother of Pearl, Onyx, Diamonds.Carat Weight: approx. 0.04ctw.Stamp: 14k, 585, WLCKA.See Sold Price
Sold2016ONYX & DIAMOND FREE FORM BROOCHcentered with a row of 7 diamond melee set in white gold, mounted in yellow gold, stamped 14K 585, 2.25in., 10.7gms.See 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
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
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
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
Sold2023Robert Wander France 14K Gold & Onyx Cuff BraceletRobert Wander, France. 14K yellow gold bangle cuff bracelet with a large onyx stone inset. In an Art Deco style. One side of the bangle hinges open. Marked along the interior of the bracelet.Diameter:See Sold Price
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656 Lots AwaySeized Assets AuctioneersAntique 14k Gold Textured Laurel Wreath Diamond Black Onyx Round Brooch Pendant$1
2 days LeftSeized Assets AuctioneersVintage 14k Gold Black Onyx & Old Cut Diamond Long Freeform Ribbon Brooch Pin$1
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Jul 02Elmwood'sAN ART DECO ROCK CRYSTAL, DIAMOND, SAPPHIRE AND ONYX BROOCH set with faceted rock crystal, accented£1,800
3 days LeftFederal Assets AuctioneersVintage 18k White Gold Diamond Black Onyx and Coral Clown Brooch Pin$1
Jul 02Elmwood'sBULGARI, AN ONYX AND DIAMOND LION PENDANT NECKLACE the necklace comprising hexagonal links set with£24,000