Introducing the Forevermark Avaanti Collection. De Beers Forevermark's newest collection features a strong, distinctive design with a Forevermark diamond at its core. This 18kt rose gold Avaanti Pavé Bypass bangle is set with a 0.101ctw (average) SI1 G and accented with 39=0.37ctw (average) SI2 G-H round brilliant diamonds.