Our hand polished Black Onyx Cabochon 10×10mm Size will make a statement. Black Onyx is a staple in modern and vintage jewelry creation, prized for its inky black depth and flawless opaque finish. The classic cabochon cut’s simple square shape and smooth, mirror-like gloss combine to create a striking contrast that instantly draws the eye.
Calibrated Perfection for Business Environments
Crafters, silversmiths and wire-rappers will all love the precision of this calibrated 10x10mm gem stone.
• Easy Jewelry Setting: The flat-back design lies flat against metal sheets, making it incredibly easy to secure inside bezel cups, prong settings or wire-wrapped borders.
• Multi-functional Uses: This size is the perfect in-between size to make a statement when used as the main feature in a ring, but small enough to make a feature in a pair of drop earrings or a delicate pendant necklace.
• Metaphysical Shielding: Black Onyx is a celebrated stone of protection, strength and grounding in the crystal community and is a meaningful choice for everyday wear.
Natural Gemstones, Premium Quality
Every cabochon is hand picked and cut from genuine premium Black Onyx. We don’t take any chances on quality control so that your stone will arrive scratch and chip free on the surface with an even coloration that emphasizes the bold purity of the mineral.

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