Vintage Carved Onyx Native Head Pendant, Size 2 5/8 in. x 2 in.Est. $100-$10,000
MIXED LOT OF 17 UNMADE BEAD STRANDS OF BLACK ONYX AND OTHER AGATESEst. £30-£40
Ippolita Rock Candy 18k Gold Pendant Necklace with Mother of Pearl Onyx LapisEst. $9,455-$11,346
Black - Cartier Women's Necklace - 750PG Onyx and Diamond Amulet - Small - Long - Pink GoldEst. $3,825-$4,600
Clear and Black. - Cartier Onyx Amulet Necklace in 18K Pink Gold with DiamondsEst. $3,950-$4,750
VAN CLEEF & ARPELS Cocktail Ring In 18Kt Yellow Gold With Onyx And DiamondsEst. $11,985-$13,185
Sterling Silver Mosaic Turtle With Black Onyx, Coral, Turquoise, Opal, Amethyst, Lapis, LarimarEst. $100-$10,000
Vintage 1948 Fort Hamilton School Black Onyx Class Ring 10K Yellow Gold, 6.62 GrVan Cleef & Arpels Vintage Alhambra Onyx Necklace, 18K Yellow Gold, Women's, Gold and Black,Vintage 1930's Letter MP Initial Black Onyx Diamond Signet Ring 14K Gold 3.24 GrVintage 1970's Men's Black Onyx Signet Ring 14K White Gold, Size 10.75, 12.78 GrEst. $2,500-$3,000Buy Now for $1,996.00
Vintage 1950's Men's SD Letter Black Onyx Signet Ring 10K Yellow Gold, 10.16 GrEst. $1,500-$2,000Buy Now for $1,436.00
TIFFANY & Co. Tiffany T Circle Onyx and Diamond Necklace, 18K Yellow Gold, Women's, 294456Tiffany T Circle Necklace In Onyx And Diamonds Yellow Gold (18K) Diamond,Onyx Men,Women FashionWomen Fashion Pendant Necklace (Silver) - Louis Vuitton Star Blossom BB Necklace - Onyx And DiamondEst. $2,025-$2,450
14K Yellow Gold Setting with 4.3ct Black Onyx and 0.03ct Diamond LALI Designor EarringsEst. $1,885-$2,457
Vintage Cartier 18k White Gold Panther Tie Tack with Green Eyes and Black OnyxEst. $6,669-$8,669
TIFFANY & CO .925 Sterling Silver Black Onyx Beads Necklace with T & Co Toggle ClosureEst. $100-$10,000
Vintage 1981 Ursuline School NY Black Onyx Class Ring 10K Yellow Gold, 7.32 GramLorenzo Two-Tone Sterling Silver and 18K Gold Black Onyx Pendant and Earrings SetEst. $5-$100
Onyx, Marble, and Bronze Art Deco Clock, 3 Piece Garniture with Panther c. 1925Est. $1,000-$10,000
Uncas Jewelry Co. 1920s Sterling Silver 925 Art Deco Green Onyx Ring Size 8Est. $50-$150
VHERNIER Milano Calla Dangle Drop Clips-On Earrings in 18 Kt Yellow Gold & OnyxEst. $9,998-$11,000
Native America Navajo Sterling Silver Black Onyx Ring By Letricia Largo. From R.B Company.Est. $200-$220