6×4 mm Coffin Black Onyx
Featured ThumbnailGallery ThumbnailGallery ThumbnailGallery Thumbnail
PRODUCT DETAILS

6×4 mm Coffin Black Onyx

Shop this 6x4 mm Coffin Black Onyx from Brazil, treated with Dye. Calibrated, loose, and unmounted — ready for your setting.

Standard

Quality

Black Onyx

Gemstone
TypeBlack Onyx
ColorBlack
ShapeCoffin
Size (mm)6x4
CutCalibrated
TreatmentDye
Country of OriginBrazil
Login to Order
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