Shop 0.3 Carat Diamonds

Search over 248,012 0.3 carat diamonds from 9 top-rated online jewelers. Prices typically range from $132 to $676 for 0.3 carat lab grown diamonds and $333 to $909 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 increased by 3.75% in the last month.