Shop 0.3 Carat Diamonds

Search over 387,913 0.3 carat diamonds from 9 top-rated online jewelers. Prices typically range from $100 to $946 for 0.3 carat lab grown diamonds and $384 to $1,298 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 increased by 1.17% in the last month.