0.40ct. Tourmaline Oval - A very nice colour and clean cut, ideal for jewelry such as a ring or pendant but also great for collectors.
Tourmaline of this type can go for up to $240+/carat!
Starting bid for this great stone is 3BTC
Bid increments of 0.5BTCShipping info is here:
http://c0ffer.com/?page=shippingAuction ends 7 days from this posting.
Good luck!