This gemstone is part of my precision carved series, which feature geometric mandalas cut in the backside of the stone with mirror-esque facets that reflect and multiply the carving.
Mineral: Tourmaline (Rubellite) 
Color: Pink/Purple 
Origin: Nigeria 
Weight: 4.73cts 
Shape: Long Hexagon
Facet Style: Precision Carved 
Design: DIAMONDBACK
Dimensions: 12.1mm x 8.2mm x 6.3mm
Clarity: Loupe Clean 
Retail Value: $4250
Collector Price: $3300