All

45263 - Art Deco Clasp Platinum Rose Cut Diamond Green Onyx Clasp With Amethyst Green Onyx Bead Necklace

53792 - Gold Onyx Diamond Fluted Hoop Earrings

31323 - Art Deco Platinum Gold Diamond Black Onyx Cuff Links

31322 - Art Deco Platinum Gold Diamond Black Onyx Cuff Links

54057 - Circa 1960s Van Cleef & Arpels X Gold Onyx Dangle Drop Earrings

53997 - Van Cleef & Arpels Gold Diamond Black Onyx Tiered Domed Earrings

45190 - Victorian Egyptian-Revival Gold Carved Green Onyx Ruby Pearl Enamel Pendant Necklace

31158 - Circa 1980 Gold Diamond White Onyx Cuff Links

901895 - Gold Diamond Black Onyx Pentagon Shape Cocktail Ring

72764 - Gold Bead Pearl Charm Bracelet

31301 - SOLD - Art Deco Gold Platinum Black Onyx Diamond Austrian Gents Set

53977 - M & J Savitt Gold Diamond Onyx Triangle Earrings

43377 - Circa 1991 Gold Diamond Onyx Beads Rondel Necklace

53560 - Gold Onyx Star Button Earrings

43372 - Gold Diamond Coral Pearl Onyx Necklace

53453 - Gold Onyx Hoop Earrings

72815 - Art Deco Circa 1926 Peacock, C. D. Platinum Diamond Onyx Block Bracelet

31160 - Art Deco Larter Platinum Gold Onyx Cuff Links

45164 - Marina B Cardan Gold Pearl Onyx Russian Quartz Beads Italy Necklace

31293 - Demner Italy Gold Black Onyx Diamond Toucan Cuff Links

31292 - Deakin & Francis Gold Diamond Onyx Pearl Cuff Links Gents Set

53931 - Elizabeth Rand Gold Diamond Turquoise Onyx Bead Dangle Tassels Earrings

52831 - Platinum Diamond Coral Jadeite Onyx Tassels Drop Dangle Earrings

53794 - Gold Citrine Black Onyx Oval Earrings

900842 - Gold Diamond Onyx Gents Ring

43563 - Gold Diamond Onyx Bead Necklace

23630 - Art Deco Platinum Diamond Emerald Onyx Windmill Pin

20444 - Circa 1915 Platinum Diamond Onyx Bow Pin

73554 - Weber & Cie Gold Diamond Black Onyx Swiss Bracelet

43084 - Victorian Gold Pearl Onyx Cross Pendant Necklace

21317 - Circa 1925 Art Deco Platinum Diamond Black Onyx Rectangular Brooch

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

31107 - Art Deco Larter Platinum Gold Onyx Cuff Link Gents Set

53786 - Tiffany Gold Black Onyx Pearl Inlay Earrings

23897 - SOLD - Gold Diamond Sapphire Emerald Onyx Panther Pin Pendant

900555 - SOLD - Art Deco Platinum Diamond Black Onyx Chased Engagement Ring

31115 - SOLD - Art Deco Tiffany Garrigus & Company Platinum Gold Black Onyx Pearl 5 Piece Gents Set

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

20643 - Circa 1875 Victorian Gold Onyx Pearl Pin Pendant

901294 - SOLD - Bulgari Gold Black Onyx Tubogas Ring,

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

73391 - Art Deco Oscar Heyman Platinum Onyx Straight Line Bracelet

900589 - Circa 2000 Cartier Menotte Gold Onyx Ring

30942 - SOLD - Art Deco Krementz Gold Pearl Black Onyx Gents Set

45033 - Circa 1950 Palladium Onyx Diamond Rose Nameplate Pendant Necklace

23772 - Art Deco Platinum Diamond Black Onyx Bow Pin