Gem stones  - Prices by Kilo / gram Click to more details Ref . G2012 Imperial topaz Ref . G2013 Imperial topaz Ref . G2014 Imperial topaz Imperial topaz quality 1 Emerald  quality 1 Emerald  quality 2 Emerald quality  3 Emerald quality 4 Emerald quality 5 Amazonite quality 1 Amazonite quality 2 Amazonite quality 3 Amazonite quality 4 Aquamarine quality 1 Aquamarine quality 2 Aquamarine quality 3 Aquamarine quality 4 Fluorites Chalcopiryte quality 1 Chalcopiryte quality 2 Sodalite Orange calcite Zirconite quality 1 Zirconite quality 2 Pink tourmaline