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Learning Center

The 4Cs of Diamonds - Color

The most highly valued diamonds have no color. The more color a stone has (yellow or brown), the lower the grade. However, yellow or brown diamonds that make it past the Z grade instantly go up in price. Those diamonds have enough color to be considered “fancy,” along with pink, green, and blue diamonds.
狠狠狠的在啪线香蕉亚洲