You can customize this model using WIZEgem, FREE web-based jewelry design tool at:
http://app.wizegem.com

Created by wizegem tool (http://www.wizegem.com)
Can be customized to any shape by using your own 2D image
WIZEgem is a web-based application that gives everyone the option to design their own personalized jewelry, visualize it in 3D and have it personally manufactured