Natural Ametrine 12.94 ct – Emerald Cut, Untreated Aquamarine The gemstone measures 11

The gemstone measures 11

The stone is certified as unheated and untreated

even in smaller units

the gemstone shows good transparency and brilliance with only minimal inclusions visible under magnification

This natural Green Tourmaline weighs 4

Natural Ametrine 12.94 ct – Emerald Cut, Untreated Aquamarine The gemstone measures 11This 12. 94 ct ametrine from Bolivia displays the characteristic bi color zoning of purple and yellow. The gemstone measures 17. 24 x 11. 31 x 8. 22 mm and is cut in an emerald shape. This ametrine is eye clean. No indication of treatment was observed. This ametrine is documented with a Sosna Gems Colored Stone Report. Independent laboratory certification is available on request.