Shop 0.3 Carat Diamonds

Search over 239,935 0.3 carat diamonds from 9 top-rated online jewelers. Prices typically range from $172 to $690 for 0.3 carat lab grown diamonds and $372 to $935 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

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Prices have decreased by 5.41% in the last month.