Another option for mail-order gem gravel that I was pleased with was Gem Mountain Sapphire Mine. What a thrill it is to find sapphires! Some of the finds were large, 6 carats or more! I ordered 9 of the

It is possible to invest in gemstones, the basic idea is like precious metals where you buy something and then sit on it until you want to sell it and hope it has gone up in value. However with gemstones