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At 3 carats, cut quality matters more than carat weight. Here is why proportion decides whether a large stone reads brilliant or simply heavy.
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A 2 carat round measures about 8.1mm, only 25 percent wider than a 1 carat. Here is what that means for shape choice, setting and price.
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A 1 carat round diamond measures about 6.5mm across. Here is what that looks like on the hand, how shape changes apparent size, and what it costs lab grown.
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