14K Yellow and White Gold Setting with 2.4ct Black Onyx and 0.17ct Diamond Ladies RingEst. $2,898-$3,214
Vintage Sterling Silver Onyx 1920s Pendant Necklace sz 14" 22 grams necklace is not sterlingEst. $129-$189
Women Fashion Pendant Necklace (Pink Gold) - Christian Dior Rose Des Vents Onyx Necklace Pink GoldEst. $2,025-$2,450
Natural White Sea Shell 6.28 Ct. Woman Carving Cameo on Onyx 18 x 12.8 MmEst. $35-$55
4 Assorted Classic Victorian Pins: Gold Filled Victorian Pin with Inset Black Onyx Frame, CenterEst. $100-$10,000
Cartier Amulet Bracelet, Mother of Pearl and Onyx, 18K Pink Gold with Diamonds, Women's, Gold,Est. $4,000-$6,000
Large Sterling Silver Native American Navajo Ring w/ Black onyx setting signed Nakai sz 8Mid 20th Century Mexican Sterling Gemstone Inlay Toucan Necklace Turquoise Black Onyx Red Coral MossEst. $600-$800
Early Ansonia Black Onyx / Slate Mantel Clock w/ Columns and Brass Accents & Mytholigical Battle SceEst. $10-$1,000
Van Cleef & Arpels Magic Alhambra Long Necklace in 18K Yellow Gold with Onyx, Available and Black.TIFFANY & Co. Return to Tiffany Round Tag Bracelet in 18K White Gold Onyx for Women, 294870Piaget. An 18K gold manual wind wristwatch with opal and onyx dial Ref: 91543, Circa 1970Est. £3,000-£4,000
[3] Quality Costume Necklaces: Miriam Haskell Onyx Bead Necklace 16 in. x 5/8 in.; Amaro NecklaceEst. $100-$10,000
Chopard. An 18K gold diamond set manual wind wristwatch with onyx dial and twelve floating diamo...Est. £2,500-£3,500
Van Cleef & Arpels Miroir des Eaux 18K White Gold Diamond, Onyx, and Mother of Pearl RingEst. $34,000-$37,000
MODERN ARTIST SIGNED CURTIS JERE 1977 BIRD IN FLIGHT BRASS SCULPTURE WITH ONYX OR MARBLE BASEEst. $10-$2,000
Co. Tiffany T Two Circle Necklace in Gold and Black 18K PG Pink with Onyx. Women's. TIFFANY &Est. $2,375-$2,850
Carolyn Pollack signed 925 sterling silver mother of pearl and black onyx pendant on Italian chain nEst. $300-$450
Lotus Arts de Vivre 18k Gold Diamond Onyx Glass EarringsEst. $1,500-$2,000
Vintage Sterling Silver Ring with Black Onyx Cabochon & Fan MotifEst. $10-$300
Vintage Mexico 925 Sterling Silver Onyx Bracelet & Pendant Set – 36gEst. $10-$250
An 18K Gold, Onyx and Diamond Ring and Earring SetEst. $3,000-$5,000
BVLGARI SERPENTI VIPER 18K ROSE GOLD DIAMOND AND ONYX RINGEst. $7,000-$14,000
Iran Persian Queen Farah Pahlavi Portrait Carved Onyx Memorial PlaqueEst. $7,000-$12,000