All

53610 - Asch Grossbardt Gold Diamond Pearl Lapis Onyx Malachite Coral Button Earrings

43072 - Platinum Diamond Turquoise Onyx Bead Torsade Tassel Drop Necklace

70795 - Art Deco Van Cleef & Arpels Platinum Diamond Emerald Onyx Bracelet

53873 - Marina B Gold Diamond Black Onyx French Earrings

20704 - Edwardian Platinum Gold Diamond Onyx Bar Pin Converts To Pendant

23897 - Gold Diamond Sapphire Emerald Onyx Panther Pin Pendant

900555 - Art Deco Platinum Diamond Black Onyx Chased Engagement Ring

53288 - Circa 1987 Marina B Gold Onyx Pink Tourmaline Pearl Diamond Earrings

30789 - Art Deco Carrington & Co Platinum Gold Onyx Diamond Gents Set

45033 - Circa 1950 Palladium Onyx Diamond Rose Nameplate Pendant Necklace

23772 - Art Deco Platinum Diamond Black Onyx Bow Pin

71839 - Edwardian Platinum Black Onyx GIA Natural Pearl Bracelet