18.6ct Tourmaline (Nigeria) - Rectangle profile, Precision carved with a variation of my Split Diamond Design.
 
This stone is accompanied by a complimentary signed and sealed certificate of authenticity stating it is BD original artwork.
 
Mineral: Tourmaline
Origin: Nigeria
Weight: 18.6 cts
Shape: Rectangle
Dimensions: 17.4mm x 11.3mm x 9.9mm
Facet style: Precision Carved
Design: Diamondback