1.5-carat lab-grown diamonds are an ideal choice for those seeking a higher carat weight. We have listed the latest 2025 prices for 1.5-carat lab-grown natural diamonds, including the highest color grades: D and E, to help you select the perfect diamond.

Click on the link for your preferred diamond color grade to view the latest 1.5-carat diamond prices:

1.5-Carat Diamond Price Overview – D Color Round Lab-Grown Diamond (1.5-Carat Diamond)

1.5-Carat Diamond Price Overview – E Color Round Lab-Grown Diamond (1.5-Carat Diamond)