10.0 mm Square Cushion Black Onyx
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PRODUCT DETAILS

10.0 mm Square Cushion Black Onyx

Shop this 10.0 mm Square Cushion Black Onyx from Brazil, treated with Dye. Calibrated, loose, and unmounted — ready for your setting.

Standard

Quality

Black Onyx

Gemstone
TypeBlack Onyx
ColorBlack
ShapeSquare Cushion
Size (mm)10.0
CutCalibrated
TreatmentDye
Country of OriginBrazil
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Teal diamond icon on a dark background.
Exact Stone You See
A teal outline of a certificate with a circular seal in the center.
Certificate of Authenticity
Teal necklace with an ornate pendant featuring an oval shape.
100% Natural Gemstones