Lakoda BSA: 0.27ct Simulated Blue Sapphire Semi Eternity Wedding Band Ring 925 Silver, 3156A The Lakoda BSA is the Simulated Blue Sapphire semi eternity wedding band that accompanies the very popular Lakoda wedding ring set in our Lakoda Collection! Features approx. 18 1.5mm, 0.015 carat, Brilliant-cut Simulated Blue Sapphire's. Made with solid 925 Sterling Silver This semi eternity wedding band weighs approximately 2.2 grams