TwoBirch CZ Halo Engagement Ring and Ring Guard Set made in Sterling Silver (2 Pieces) (0.94ct. twt. Cubic Zirconia) Halo engagement ring sets are made to order. Contact us for more stone and metal options. 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.