Natural Ametrine 13.82 ct – Octagon, Untreated yellow sapphire cut into an octagon shape

cut into an octagon shape

or heirloom-quality jewelry piece

Natural Vivid Green Emerald from Colombia weighing 1

and verification by the most authoritative gemological institution

5 mm)Very good clarityNatural rubies

Natural Ametrine 13.82 ct – Octagon, Untreated yellow sapphire cut into an octagon shapeThis 13. 82 ct Ametrine displays the characteristic bicolor purple and yellow within a single crystal. The stone is cut as an octagon, with full transparency and brilliance. Ametrine is a naturally occurring bicolored quartz. Its distinct purple and yellow zones formed due to temperature gradients during the crystal's growth. This specimen is transparent and eye clean. The stone shows no indication of treatment. It is documented with a Sosna Gems