Shop 0.3 Carat Diamonds

Search over 368,581 0.3 carat diamonds from 9 top-rated online jewelers. Prices typically range from $108 to $882 for 0.3 carat lab grown diamonds and $390 to $1,146 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 10.31% in the last month.