1 Ct Oval Lab Diamond & .40 Ctw Diamond Pavé Halo Engagement Ring - A classic engagement ring featuring a 1 Ct oval Lab Diamond center stone set in a 0.40 Ctw diamond pavé halo setting. Available in Sterling Silver, 10k and 14k White, Yellow, or Rose Gold. This halo engagement ring is customizable to fit different center stones and shapes to match your personal style.