TwoBirch Sterling Silver Twisted Shank Promise Ring with Cubic Zirconia (0.5 ct. tw.) Search TB-PR-0040 on Amazon.com search bar above to see this ring with all of its variations. All TwoBirch ring guards and ring wraps are available in platinum, gold , silver, diamond moissanite and cz. Item in image is smaller than it appears. It is enlarged to show details. Promise rings can also be worn as right hand ring or engagement ring. TwoBirch promise rings are made in high quality, solid metal, built to last a lifetime of wear. 100% Satisfaction Guaranteed. 30 Day, No questions asked return policy.