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
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
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
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
Sold2016Vintage Pave Set Round Cut Diamond, Oval Cut Emerald,Vintage Pave Set Round Cut Diamond, Oval Cut Emerald, Black Onyx and 18 Karat Yellow Gold Brooch. Signed 18K. Two (2) small chips to onyx otherwise good condition. Measures 2-7/8" L, 3/4" W. Approx. wSee 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
Sold202414K Gold, Black Opal & Onyx Frog Brooch,figural, yellow gold, 1", signed, 5 grams.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
Sold202114K Gold Pendant Lapis Diamonds, Black Onyx, Black Opal14K Gold Pendant Lapis Diamonds, Black Onyx, Black Opal. Excellent quality. Marked: AG 14K ; Size: 5/8 in. x 1/2 in.See 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
Sold2018YELLOW GOLD ONYX AND BLACK OPAL RINGYellow gold rectangular onyx and oval opal with 2 small diamond ring. Vintage look . Size 7. 7.3 dwt. 9/16" x 1".See Sold Price
Sold2017A Pair of Inlayed Earrings & Pendant in Gold1) 14K yellow gold black onyx mother of pearl and diamond half hoops, posts with Omega backs, 0.75 in. L and 2) 14K yellow gold pendant featuring pear shape tanzanite, opal and diamond inlayed, 1.25 iSee 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
Sold2017COLLECTION OF GEM SET YELLOW GOLD RINGSComprising nineteen with white coral, diamond, blue topaz, onyx, fire opal, sapphire, malachite, garnet, amethyst, ruby, citrine, tourmaline, chrysoprase, or pearl; A fluted bright gold ring. 10k-18k.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
Sold2017Nine Antique & Vintage Ladies Gold Brooches19th and early 20th century. Consisting of various shapes and forms including two large citrine stones and three topaz examples; together with a dark opal which swivels around to a black onyx. CollectSee Sold Price
Sold2019Gemstone and 18K Fish Brooch/PendantContemporary Approx. .25 Carat TW Diamond, 10.05 Carat TW Blue and White Sapphire, .50 Carat TW Ruby, Black Onyx and 18 Karat Yellow Gold Fish Brooch / Pendant. Gem quality stones throughout, vivid coSee Sold Price
Sold2018Black & Fire Opal Earrings + Opal & Diamond RingTwo pair of opal earrings, together with an opal and diamond ring. The largest earring pair composed of 18K yellow gold set with oval black opals of approximately .70 carats each. Overall earring measSee Sold Price
Sold2021.925 Sterling, 14K & 24 K Gold Schulz Art Deco Brooch.925 Sterling, 14K & 24 K Gold Schulz Art Deco Brooch / Pendant. Best Quality. Black Onyx with Black Opal, Emerald Charm. Size: 3 in. x 3/4 in.See 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
Sold2022JEWELRY. Gold, Diamond and Colored Gem FiguralBrooch Grouping. Includes a signed CB 18kt yellow gold brooch depicting a pair of twin cats with rose quartz cabochon bodies, black onyx heads and colored gem eyes - stamped verso, "750 CB";See 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
Sold201614k Gold Opal Diamond RingMETAL: 14k gold. MEASUREMENTS: ring size - 5 3/4, ring top is 24mm x 17mm. GEMSTONES: opal doublet, over black onyx, diamonds - approx. 0.46ctw. MARKED: 14k. WEIGHT: 8.4 grams.Gemstones have not beenSee Sold Price
Sold2016Gold Brooch with Onyx and Diamond14KTT. Features (1) 20 X 15mm bezel-set oval Black Onyx cabochon surrounded by (22) 2.5mm fine round Diamonds, approx. 1.32ctw. 10.8gtwSee Sold Price
5 days LeftGold Coast AuctioneersNative American Navajo Sterling Silver Jewelry Collection Lot 18Pcs$50(1 bid)
2 days LeftFederal Assets AuctioneersVintage 18k White Gold Diamond Black Onyx and Coral Clown Brooch Pin$1
19 hrs LeftSeized Assets AuctioneersVintage 14k Gold Black Onyx & Old Cut Diamond Long Freeform Ribbon Brooch Pin$1
1 day LeftRago Arts and Auction CenterJudith Kaufman, Fire opal, orange sapphire, and diamond pendant brooch$900(1 bid)
2 days LeftSeized Assets AuctioneersAntique Victorian 15k Yellow Gold Old Mine Cut Diamond Seed Pearl & Onyx Bar Pin$1
5 hrs LeftMiami Auction GalleryEstate 10.58cts Multi-Gem Flower Basket Lapel 18K Gold Brooch 49.4 Grams$10,000
1 day LeftA.H. Wilkens Auctions & Appraisals14K GOLD, BLACK OPAL & DIAMOND CLUSTER RING, 6.4gCA$400(1 bid)