Shop 0.3 Carat Diamonds

Search over 247,841 0.3 carat diamonds from 9 top-rated online jewelers. Prices typically range from $68 to $1,026 for 0.3 carat lab grown diamonds and $300 to $912 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 1.56% in the last month.