Dear Sir,Our company sam business groups co,.ltd. We have our own mineral for precious stones such as RUBY, BLUE, SAPPHIRE, YELLOW SAPHIRE,BLUE ZIRCON,PERIDOT,GREEN SAPHIRE,...ETC.When trade only best precious stone for bigger in Carats form 5 to 3o Carats for the rich customers only.If any buyer from Europe or Asia can contact me.