Shop 0.3 Carat Diamonds

Search over 237,498 0.3 carat diamonds from 9 top-rated online jewelers. Prices typically range from $78 to $1,036 for 0.3 carat lab grown diamonds and $312 to $924 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 Diamonds

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

Prices have decreased by 1.9% in the last month.