Black Onyx Round Cabochon – 10x10 mm Smooth Flat Back Gemstone for Jewelry Making

Add a bold and timeless touch to your jewelry creations with this black onyx round cabochon. Known for its deep, rich black color and smooth polished surface, black onyx is a classic gemstone that brings elegance and sophistication to any design.

This 10x10 mm round cabochon is carefully shaped and finished with a flat back, making it perfect for bezel setting, wire wrapping, and a variety of jewelry-making techniques. Its balanced size and sleek appearance make it ideal for rings, pendants, earrings, and everyday wearable jewelry.

Each stone offers a consistent, glossy finish that enhances its refined and luxurious look.

Specifications:

Stone Name: Black Onyx

Shape: Round Cabochon

Size: 10 x 10 mm

Back: Flat Back

Finish: Smooth and polished

Key Features:

Deep black color with glossy finish

Classic and versatile gemstone

Smooth surface for easy setting

Ideal for rings, pendants, earrings, and DIY jewelry

Suitable for both beginners and professional jewelers

Jewelry Metal: Gemstone Jewelry Stone: Onyx