Here is a $3,000 3.72Ct Bi Color Tourmaline. This is part of a jewelry store stock that will be auctioned this week. This is a disticnt Blue on one side and Forest Green on the other side. If you collect Gems or love to design your own jewelry- you won't want to miss this one. It would look great in a long pendant. Tourmaline is the October birthstone. This has a retail replacement cost of $3,000 and it will be auctioned to the highest bidder at $1 No Reserve.