All

45554 - Circa 1960 Gold Opal Onyx Graduated Bead Necklace

902237 - Gold Diamond Black Onyx AGL Colombian Emerald Ring

902224 - Circa 1950 Gold Diamond Black Onyx Signet 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

54305 - Platinum Gold Diamond Bondanza Earrings

54260 - Art Deco Platinum Diamond Green Onyx Earrings

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

61272 - SOLD - Art Deco Cartier Platinum Onyx Pocket Watch

73260 - SOLD - Art Deco Van Cleef & Arpels Platinum Diamond Black Onyx Bracelet

72598 - SOLD - Art Deco Black Starr & Frost Platinum Diamond Black Onyx Bracelet

95113 - SOLD - Art Deco Platinum Diamond Black Onyx Filigree Chased 2-Stone Dinner Ring

73731 - SOLD - Circa 1920s Art Deco Oscar Heyman J E Caldwell Platinum Diamond Onyx Geometric Straight Line Bracelet

54155 - SOLD - Judith Ripka Gold Diamond Faceted Onyx Drop Earrings

53976 - SOLD - Cellino Gold Onyx Mabe Pearl Round Button Earrings

53517 - SOLD - Gold Diamond Black Onyx Lion Head Earrings

45309 - SOLD - Gold Onyx Red Enamel Pendant Necklace

45291 - SOLD - Platinum Diamond Faceted Black Onyx Tear Drop Dangle Pendant Necklace

31114 - SOLD - Art Deco Cartier Platinum Gold Diamond Onyx Cuff Links

30974 - SOLD - Circa 1970 Kurt Wayne Gold Onyx Frog Cuff Links

24093 - SOLD - Gold Diamond Sapphire Green Onyx Baby Lion Pin

21990 - SOLD - Art Deco Tiffany Platinum Diamond Black Onyx Bar Pin

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

45405 - Creart Italy Gold Green And 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 - Gold Diamond White Onyx Cuff Links

901895 - Gold Diamond Black Onyx Pentagon Shape Cocktail Ring