gem dragon auctions

cantera opal in rhyolite - la trinidad, mexico

rhodolite - tanzania

ametrine

peridot - china

blue sapphire - madagascar

chrome diopside - russia

green opal - peru

spinel - sri lanka

pyralspite garnet - malawi

sapphires - sri lanka

tourmaline - brazil

aquamarine - brazil

kornerupine - tanzania

red zircon - tanzania

tsavorite - tanzania

amethyst namibia

parti sapphire - australia (unheated)

spessartite garnet - nigeria

spinel - mozambique

green zircon - tanzania