All

45120 - Art Deco Gold Green & Black Onyx Carnelian Rondell Bead Necklace

24254 - Honora Gold Ruby Diamond Green Onyx Lion Pin

45554 - Circa 1960 Gold Opal Onyx Graduated Bead Necklace

902237 - Gold Diamond Black Onyx AGL Colombian Emerald Ring

902167 - Circa 2010 Gumuchian Gold Coral Diamond Ring

73893 - 1960s Van Cleef & Arpels Gold Green Onyx 9-Section Bracelet

73884 - Circa 1950s Gold 2-Row Slide Bracelet

73839 - Gold Circa 1960 Green Onyx 3 Leaf Clover Mesh Bracelet

54259 - Art Deco Platinum Diamond Green Onyx Earrings

54258 - Art Deco Platinum Diamond Green Onyx Earrings

45551 - Judith Ripka Circa 1994 Gold Diamond Emerald Crystal Intaglio Green Onyx Bead Necklace w/ Amethyst Tassels

45468 - Art Deco Platinum Diamond Crystal Black Onyx Pendant Necklace

45466 - Gold Turquoise Black Onyx Crystal Pendant Necklace

45464 - Platinum Diamond Green Onyx Round Cluster Filigree Bail Drop Pendant Necklace 18" Cable Chain

45460 - Patricia Fruttauro Gold Silver Diamond Pearl Green Onyx Necklace

31351 - Art Deco Platinum Diamond Onyx Lorgnette

45302 - Art Deco Platinum Diamond Sapphire Onyx Enamel Bird Flower Pin Pendant With Sautoir

24192 - Circa 1815 Victorian Gold Black Onyx Pearl Mourning Bar Pin

45410 - Creart Italy Gold Carnelia Black Onyx Alternating Bolo And Wire Link Necklace

54181 - Gold Diamond Coral Bead Onyx Jadeite Dangle Drop Earrings

54146 - Gold Diamond Black Onyx Rondel Citrine Drop Earrings

24171 - Garavelli Italy Gold Diamond Black Onyx Yellow Black Blue Enamel Lady Bug Beetle Pin

24170 - Garavelli Italy Gold Diamond Yellow Sapphire Black Onyx Blue Enamel Lady Bug Beetle Pin

73756 - Italy Gold Carved Green Onyx Carnelian Emerald Ruby Cable Link Dangle Drop Bracelet

45325 - Tiffany Gold Black Onyx Disc Lentil Necklace

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

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