I would suggest going here to if you are willing to buy some.

http://www.renderosity.com/mod/bcs/index.php?vendor=2498

Mertext's set is really inexpensive, turns out some nice looking gems, can be used I think to create your own jewlrey etc....and mertext has some great free mats for them too at his site.

Hope thats of some help to you. If not let me know and I'll wip one up for you for free artposer.

"The Blood is the life!"