"Costis" Circle In Motion Ring with 10.24 carats Purple Amethyst and Diamonds In this ring of 18K White Gold, a 14cm round-cut 10.24 carats Purple Amethyst is set, as well as 0.42 carats of exquisite Diamonds. A study of the human body became the inspiration for our "Circle-In-Motion" ring that duplicates the hip joint's circular motion. This ring becomes part of the bearer's body moving in harmony with her. In addition, movement allows light to enter and reveal the central stone's true…