Authentic! Bulgari Bvlgari 18k Yellow Gold Black Onyx CufflinksRoberto Coin Panda Cross Pendant 18k White Gold Onyx DiamondsEst. $5,538-$7,199
Gold Tiffany&Co. Necklace Pearl 6.7Mm Onyx Diamond 14K 585 YellowEst. $925-$1,125
Antique French Gilt Bronze Mouted Onyx BowlEst. $20-$200
Elegant 18K Yellow Gold Black Onyx Pearl Diamond RingEst. $2,965-$3,559
Victorian Revival 14k Yellow Gold Onyx Pearl Dangle EarringsEst. $1,494-$1,792
Authentic! Bulgari Bvlgari 18k Yellow Gold Black Onyx Large CufflinksEst. $5,000-$6,000
Elegant Platinum Onyx Pearl Earrings with 76 Diamonds 2.60 CtGiovanni Chilleri 18k Yellow Gold Coral Onyx Diamond Band RingEst. $2,015-$2,619
NEW 14K YELLOW GOLD MEN'S FULL CUT ONYX RINGEst. $2,332-$2,870
Van Cleef & Arpels 18K Yellow Gold Alhambra Onyx Diamond RingEst. $3,500-$4,000
CHANEL CAMELLIA ONYX RING K18 YELLOW GOLDEst. $5,100-$7,480
BVLGARI NECKLACE K18 PINK GOLD ONYXEst. $6,750-$9,900
Nina 18K Yellow Gold Heart Shaped Black Onyx Bypass Band RingEst. $1,828-$2,194
Antique Victorian 10k Gold Hand Engraved Onyx Initial R RingBVLGARI ONYX SHELL DIAMOND NECKLACE K18 PINK GOLDEst. $6,900-$10,120
Victorian Revival 14k Yellow Gold Onyx Pearl Dangle EarringsArt Deco Platinum Brooch with 83 Diamonds and Onyx 1.5 inchesEst. $4,121-$5,357
Art Deco Green Onyx Ashtray w/ Horse Statue MountEst. $10-$1,000
Black Onyx & Diamond Ring 14Kt.Est. $1,890-$2,654
3 Stone Necklaces Including Onyx, Amber & MalachiteEst. $150-$250
Black Onyx / Pearl Brooch Pin 14Kt.Est. $1,443-$2,067
14k Yellow Gold Black Onyx Infinity Clip On EarringsMid-Century Modern Concrete Pagoda Set of 2 OnyxEst. $2,002-$2,602
