Shop 0.3 Carat Diamonds

Search over 293,770 0.3 carat diamonds from 9 top-rated online jewelers. Prices typically range from $142 to $686 for 0.3 carat lab grown diamonds and $353 to $983 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 0.18% in the last month.