Oval Black Onyx Cabochon 15x10mm – Calibrated Natural Onyx Gemstone, Loose Stone for Jewelry Making

Oval Black Onyx Cabochon 15x10mm – Calibrated Natural Onyx Gemstone for Jewelry Making

Create elegant and timeless jewelry pieces with this Oval Black Onyx Cabochon (15x10mm). Featuring a deep, rich black color and a smooth polished finish, Black Onyx is a classic gemstone valued for its bold appearance and versatility in jewelry design.

This calibrated 15x10mm oval cabochon is precisely cut to fit standard jewelry settings. The gemstone has a smooth domed surface with a flat back, making it easy to set in rings, pendants, earrings, bracelets, and bezel settings. Its glossy finish enhances the natural beauty of the stone, making it ideal for both modern and traditional jewelry styles.

Perfect for professional jewelers, designers, and DIY jewelry makers, this natural Black Onyx cabochon is an excellent choice for creating stylish handmade jewelry and custom gemstone pieces.

Product Details:

Stone: Natural Black Onyx

Shape: Oval Cabochon

Size: 15x10mm (Calibrated)

Finish: Smooth polished surface

Back: Flat back for easy setting

Color: Deep glossy black

Use: Rings, pendants, earrings, bracelets, bezel settings, and jewelry making

Jewelry Metal: Gemstone Jewelry Stone: Onyx