11.7ct Pyrope-Almandine Garnet  - performance cut with a templar cross faceting pattern on the crown of the gem.
 
Mineral: Garnet (Pyrope-Almandine)
Origin: Unknown
Weight: 11.7 cts
Shape: Square
Dimensions: 12.6mm x 12.6mm x 9.3mm
Facet style: Performance Cut
Design: Templar