NWT Stainless Steel Ring. This beautiful fashion ring has a round cut 10 (mm), 3.87 carat clear AAA Grade Cubic Zirconia solitaire stone that has lots of sparkle. The band is solid TK316 Stainless Steel (no plating) and is high polished to a mirror finish. Stainless Steel Jewelry is hypo-allergenic, non tarnish and never turns your finger green. It is a darker metal than sterling silver. Comes from a smoke free home.