Hi,
You may check this ebay link with some excellent advices to take better photos of loose gems.
http://forums.ebay.in/thread.jspa?threadID=500000432&tstart=0&mod=1144995071443
Sorry for the earlier incomplete posting.
.
Best Regards
😄
Swarup
Kolkata

.
Best Regards
😄
Swarup
Kolkata
