Sterling Silver Enamel Flower Champagne Diamond Pendant Necklace (1/4 cttw, I-J Color, I2-I3 Clarity), 18" Amazon Curated Collection. $121.77. The total diamond carat weight listed is approximate. Variances may be up to .03 carats.. Made In India. All our diamond suppliers certify that to their best knowledge their diamonds are not conflict diamonds.