Black Onyx Round Cabochon – 4x4 mm Smooth Flat Back Gemstone for Jewelry Making

Add a sleek and refined touch to your jewelry designs with this natural black onyx cabochon. Known for its deep black color and glossy finish, black onyx is a timeless gemstone that enhances both modern and classic styles.

This 4x4 mm round cabochon is carefully shaped and polished with a smooth surface and flat back, making it ideal for bezel setting, micro-setting, and intricate jewelry-making techniques. Its small size makes it perfect for delicate rings, earrings, pendants, and detailed design work.

Each gemstone offers a consistent color and polished finish, adding elegance and sophistication to your handmade creations.

Specifications:

Stone Name: Black Onyx

Shape: Round Cabochon

Size: 4 x 4 mm

Back: Flat Back

Finish: Smooth and polished

Key Features:

Deep black color with high gloss finish

Compact size for fine and detailed jewelry

Smooth and easy to set

Ideal for rings, earrings, pendants, and micro designs

Suitable for both beginners and professional jewelers

Jewelry Metal: Gemstone Jewelry Stone: Onyx