TwoBirch Sterling Silver Bypass Ring Guard Enhancer with Cubic Zirconia (0.5 ct. tw.) Search TB-GUARD-0115 on Amazon.com search bar above to see this ring enhancer 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. To ensure a perfect fitting ring guard please see the TwoBirch Molding Kit, TB-KT-0001. Mold kit will ensure your ring guard wrap will fit flawlessly. Ring guard enhancers can feel tight because of how wide they make your bridal set. We recommend a 1/4 or 1/2 size larger to ensure a comfortable fit. Hassle free returns. 100% satisfaction guaranteed. 30 Day Returns. Hassle free returns. 30 Day no questions asked.