Shop 0.3 Carat Lab Grown Diamonds

Search over 264,333 0.3 carat diamonds from 9 top-rated online jewelers. Prices typically range from $137 to $695 for 0.3 carat lab grown diamonds and $358 to $956 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 decreased by 9.78% in the last month.