Check out this great item that I found online.
4.90 CTTW Amethyst 3-Stone Ring in Sterling Silver ~ Size 7
So rich in color, and sizeable in sparkle! Beautifully feminine amethyst ring features a trio of graceful ovals radiating elegance from its polished sterling silver setting. 10mm x 8mm oval cut amethyst ~ 2.40 ct Two 8mm x 6mm genuine oval cut amethysts ~ 2.50 ct Sterling silver setting
"Amethyst 3-Stone Ring - Size 7 "