J Color Diamonds J color diamonds are part of the "near-colorless" grade, which ranges from G to J on the GIA grade scale. Our store brings you J-color diamonds at the most reasonable prices in the market. Our store gives you GIA-certified diamonds. According to a survey, 30% of people in the USA prefer to buy J colored diamonds. To buy J-colored diamonds, visit our online store. https://shivshambu.net/collections/j-color-diamonds