I get jewelers who let me know they have showcases for sale.
My site has 3 listed there and one more added at the 2nd hyperlink.
Contact them directly.
The first link is to my site where you can see the other 3 and
contact info is posted on the pdf file
For the second link below is the link to the perosn who just emailed
me:
David Geller
www.JewelerProfit.com