Shop 0.3 Carat Lab Grown Diamonds

Search over 140,363 0.3 carat diamonds from 9 top-rated online jewelers. Prices typically range from $203 to $644 for 0.3 carat lab grown diamonds and $393 to $1,140 for 0.3 carat natural diamonds depending on the diamond's shape, color, clarity, and other factors. For more diamond pricing information check out our Diamond Price Indexes.

Shop 0.3 Carat Lab Grown Diamonds

These diamonds are recommended to you based on our internal recommendation engine.

Prices have increased by 1.45% in the last month.