Black Onyx

Natural Black Onyx Stone 5.01 Carats Square Flat Size 10.2X10.2mm

Natural Black Onyx Stone 2.26 Carats Oval Cabochon Size 9X7mm

Natural Black Onyx Stone 3.08 Carats Oval Flat Size 13.5X10.7mm

Natural Black Onyx Stone 4.30 Carats Round Flat Size 4.5X4.5mm

Black Onyx Long Drops For Jewellery From 5 - 25 Carats 5 - 50 mm

Natural Black Onyx Stone 18.11 Carats Pear Size 25X10.8mm

Natural Black Onyx Stone 30.67 Carats Oval Cabochon Size 20.3X10.5mm

Natural Black Onyx Stone 42.22 Carats Pear Cabochon Size 20.8X20mm

Natural Black Onyx Stone 25.49 Carats Pear Cabochon Size 20X10.5mm

Natural Black Onyx Stone 23.33 Carats Oval Cabochon Size 25X10.6mm

Natural Black Onyx Stone 14.21 Carats Pear Cabochon Size 18.2X13.2mm