Shop 0.3 Carat Lab Grown Diamonds

Search over 263,245 0.3 carat diamonds from 9 top-rated online jewelers. Prices typically range from $80 to $1,003 for 0.3 carat lab grown diamonds and $302 to $914 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 Lab Grown Diamonds

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Prices have increased by 6.59% in the last month.