Onyx — Upcoming Fine Jewelry Auctions
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21k Gold Onyx Necklace
California, United States
Date: October 7–13, 2026
14k Gold Onyx Ring
California, United States
Date: October 7–13, 2026
14k Gold Onyx Ring
California, United States
Date: October 7–13, 2026
14k Gold Onyx Ring
California, United States
Date: October 7–13, 2026
14k Gold Onyx and Diamond Ring
California, United States
Date: October 7–13, 2026
18k Gold Onyx and Diamond Ring
California, United States
Date: October 7–13, 2026
18k Gold Multi-Gem Ring
California, United States
Date: October 7–13, 2026
Two 14k Gold Rings
California, United States
Date: October 7–13, 2026
Gold Onyx and Diamond Ring
East Sussex, United Kingdom
Closing at: October 27, 2026
Onyx and Diamond Brooch
East Sussex, United Kingdom
Closing at: October 27, 2026
18k Gold Onyx and Diamond Jewelry Set
East Sussex, United Kingdom
Closing at: October 27, 2026
14k Gold Pearl and Onyx Jewelry Set
Arizona, United States
Closing at: November 8, 2026
Two 14k Gold Onyx and Ruby Rings
Arizona, United States
Closing at: November 8, 2026
Two 10k Gold Garnet and Onyx Rings
Arizona, United States
Closing at: November 8, 2026
Two 14k Gold Onyx and Coral Rings
Arizona, United States
Closing at: November 8, 2026
14k Gold Onyx Ring
Arizona, United States
Closing at: November 8, 2026
Sterling Silver Multi-Gem Pendant Necklace
Arizona, United States
Closing at: November 8, 2026
18k Gold Onyx Earrings
California, United States
Date: October 12–20, 2026
18k Gold Onyx Earrings
California, United States
Date: October 12–20, 2026
18k Gold Onyx Cuff
California, United States
Date: October 12–20, 2026
18k Gold Onyx Ring
California, United States
Date: October 12–20, 2026
18k Gold Onyx Bracelet
California, United States
Date: October 12–20, 2026
Sterling Silver Onyx Ring
New York, United States
Closing at: October 15, 2026
Pair of 14k Gold Onyx Cufflinks
New York, United States
Closing at: October 15, 2026
Platinum Amethyst, Onyx and Diamond Ring
Paris, France
Date: October 8–15, 2026
18k Yellow Gold Onyx and Diamond Signet Ring
Paris, France
Date: October 8–15, 2026
Three 18k White Gold Stackable Rings
Paris, France
Date: October 8–15, 2026
Gold Topaz, Diamond and Onyx Pendant Necklace
Paris, France
Date: October 8–15, 2026
Platinum Onyx and Diamond Bracelet
London, United Kingdom
Closing at: October 21, 2026
Platinum Diamond and Onyx Brooch
London, United Kingdom
Closing at: October 21, 2026
About Onyx at auction
Onyx, usually black chalcedony, is often paired with diamonds in Art Deco and signed designer jewelry. Each Jewelry collects upcoming onyx lots from auction houses worldwide, with estimates, auction dates and locations in one search.