D-colored diamonds are part of the "colorless" grade, which ranges from D to F on the GIA grade scale. From a color perspective, D Color grade diamonds are the highest-quality diamonds on the market. D-colored diamonds are a great choice for any engagement ring. Our store brings you D color diamonds at the most reasonable prices in the market. ShivShambu gives you GIA-certified diamonds. Visit our online store to buy D-colored diamonds.