A example of a finished necklace using our antique bronze 25mm/ 1 inch circle pendant tray with domed glass.
My assistant used the crackle nail polish method. You can find that tutorial under videos.
Find the circle pendant tray here:
http://www.willowruncrafts.com/circle-pendant-trays/
Or here
http://www.etsy.com/shop/Karenscraftsupplies?section_id=5828379