For our friend the search engine...
Our stock (may) contain the following untreated and unheated natural gemstones: 

Natural Untreated unheated Alexandrite Natural Untreated unheated Almandine Natural Untreated unheated Purple Amethyst Natural Untreated unheated Blue Amethyst Natural Untreated unheated Blue Aquamarine Natural Untreated unheated Green Aquamarine Natural Untreated unheated Apatite Natural Untreated unheated Beryl Natural Untreated unheated Bloodstone Natural Untreated unheated Chrysoberyl Cat's Eye Natural Untreated unheated Kornerupine Cat's Eye Natural Untreated unheated Garnet Cat's Eye Natural Untreated unheated Coral Natural Untreated unheated Clinohumite Natural Untreated unheated Green Chrysoberyl Natural Untreated unheated Yellow Chrysoberyl Natural Untreated unheated Color Change Chrysoberyl Natural Untreated unheated Chrysoberyl Natural Untreated unheated Vanadium Chrysoberyl Natural Untreated unheated Citrine Natural Untreated unheated Corundum Natural Untreated unheated Star Ruby Natural Untreated unheated Burma Ruby Natural Untreated unheated Mint Tourmaline Natural Untreated unheated Coral Natural Untreated unheated Dravite Natural Untreated unheated Tourmaline Natural Untreated unheated Heliodor Natural Untreated unheated Titanite Natural Untreated unheated Sphene Natural Untreated unheated Star Sapphire Natural Untreated unheated Color Change Gemstone Natural Untreated unheated Kashmir Blue Sapphire Natural Untreated unheated Demantoid Natural Untreated unheated Cornflower Natural Untreated unheated Blue Sapphire Natural Untreated unheated Pink Sapphire Natural Untreated unheated Purple Sapphire Natural Untreated unheated White Sapphire Natural Untreated unheated Blue Sapphire Untreated unheated Sapphire Unheated Sapphire Natural Sapphire Natural Untreated unheated Violet Sapphire Natural Untreated unheated Rose Sapphire Natural Untreated unheated Color Change Sapphire Natural Untreated unheated Sapphire Crystal Natural Untreated unheated Yellow Sapphire Natural Untreated unheated Green Sapphire Natural Untreated unheated Multicolor Sapphire Natural Untreated unheated Mogok Ruby Natural Untreated unheated Mogok Sapphire Untreated unheated Ruby Natural Untreated unheated Unheated Ruby Natural Ruby Natural Untreated unheated Diamond Natural Untreated unheated Diopside Natural Untreated unheated Green Diopside Natural Untreated unheated Green Zircon Natural Untreated unheated Golden Tourmaline Natural Untreated unheated Golden zircon Natural Untreated unheated Mint Tourmaline Natural Untreated unheated Apatite Natural Untreated unheated White Zircon Natural Untreated unheated Chrome Diopside Natural Untreated unheated Dolomite Natural Untreated unheated Emerald Natural Untreated unheated Fluorite Natural Untreated unheated Gold Natural Untreated unheated Red Garnet Natural Untreated unheated Pink Garnet Natural Untreated unheated Green Garnet Natural Untreated unheated Color Change Garnet Natural Untreated unheated Purple Garnet Natural Untreated unheated Grossular Garnet Natural Untreated unheated Helidor Natural Untreated unheated Hematite Natural Untreated unheated Hessonite Natural Untreated unheated Indicolite Natural Untreated unheated Iolite Natural Untreated unheated Jade Natural Untreated unheated Kornerupine Natural Untreated unheated Kornerupine Cat's eye Natural Untreated unheated Kunzite Natural Untreated unheated Kyanite Natural Untreated unheated Labradorite Natural Untreated unheated Moonstone Natural Untreated unheated Moldavite Natural Untreated unheated Morganite Natural Untreated unheated Opal Natural Untreated unheated Orthoclase Natural Untreated unheated Padparadscha sapphire Natural Untreated unheated Peridot Natural Untreated unheated Platinum Natural Untreated unheated Pyrope Natural Untreated unheated Pyrite Natural Untreated unheated Quartz Natural Untreated unheated Rhodolite Natural Untreated unheated Raspberry Natural Untreated unheated Rubellite Natural Untreated unheated Ruby Natural Untreated unheated Rosequartz Natural Untreated unheated Sapphire Natural Untreated unheated Scapolite Natural Untreated unheated Scheelite Natural Untreated unheated Sinhalite Natural Untreated unheated Serpentine Natural Untreated unheated Sodalite Natural Untreated unheated Spessartite Natural Untreated unheated Sphene Natural Untreated unheated Spinel Natural Untreated unheated Pink Spinel Natural Untreated unheated Red Spinel Natural Untreated unheated Burma Spinel Natural Untreated unheated Namya Spinel Natural Untreated unheated Neon Pink Spinel Natural Untreated unheated Blue Spinel Natural Untreated unheated Cobalt Spinel Natural Untreated unheated Brown Spinel Natural Untreated unheated Color Change Spinel Natural Untreated unheated Silver Natural Untreated unheated Spodumene Natural Untreated unheated Sunstone Natural Untreated unheated Taaffeite Natural Untreated unheated Tanzanite Natural Untreated unheated Tiger's eye Natural Untreated unheated Titanite Natural Untreated unheated Topaz Natural Untreated unheated Tourmaline Natural Untreated unheated Green Tourmaline Natural Untreated unheated Yellow Tourmaline Natural Untreated unheated Brown Tourmaline Natural Untreated unheated Red Tourmaline Natural Untreated unheated Colorchange Tourmaline Natural Untreated unheated Morganite Natural Untreated unheated Multicolored Tourmaline Natural Untreated unheated Blue Tourmaline Natural Untreated unheated Natural Untreated unheated paraiba Natural Untreated unheated Purple Natural Untreated unheated Tourmaline Natural Untreated unheated andesine labradorite Natural Untreated unheated Tsavorite W Natural Untreated unheated watermelon Tourmaline Natural Untreated unheated Green Zircon Natural Untreated unheated White Zircon Natural Untreated unheated Yellow Zircon Natural Untreated unheated Blue Zircon Natural Untreated unheated Brown Zircon Natural Untreated unheated Red Zircon