Brilliant (159 kB, 24x320x240 interactive)
Bar Round 1 (209 kB, 24x320x240 interactive)
Bar Round 3 (161 kB, 24x320x240 interactive)
Lucifer (137 kB, 24x320x240 interactive)
Pentagram (146 kB, 24x320x240 interactive)
Cleopatra's Eye (144 kB, 24x320x240 interactive)
Sphere (44 kB, 6x320x240 interactive)All animations are rendered with PovRay and written in Javascript
A lot of info about models and angles of gemstones came from Bob's Rock Shop