Aisle5Deals offers this 8-Total Carat Weight Purple Amethyst and Cubic Zirconia Ring for $12.99 plus $3.50 for shipping. That's the lowest total price we could find for a comparable ring by $41. It features a checkerboard-faceted cut purple amethyst stone, 18k gold plating, and more. It's available in sizes 5 to 10. Deal ends February 1.