Tourmalines and Opals - 20% Off ALL Fine Gem Tourmaline & Opal Gemstones - Use Coupon Code "october2018"
Free Shipping On Orders Over $50
Free Returns
100% Satisfaction
100% Money Back
1% Donated to Charity
Flat Cushion Cut - Calibrated
Hole in Back Black Onyx in a Sleek Cushion Cut in Stock - Velvety Cushion Cut Black Onyx at AfricaGems
Calibrated Onyx Gemstones in Cushion Cut for Sale

Shop Beautiful Black Onyx Rings
Shop Stunning Black Onyx Pendants
Shop Lovely Black Onyx Earrings
Shop Magnificent Black Onyx Matched Sets

Onyx Cushion Cut Gemstones

The carat weights of the Onyx Cushion Cut calibrated gemstones listed here are only approximate weights. The actual carat weight of the Cushion cut Onyx you receive can be more or less than the listed carat weight. Standard calibrated Cushion shaped Onyx Gemstones are based on dimensions, not carat weight.