Diamond Prices

CaratRadar tracks live diamond prices across over 5 million active certified listings from major online retailers. At 1 carat, natural diamonds average around $3,634 while comparable lab grown stones run around $712, making natural stones roughly 5.1 times more expensive at that size. That gap widens with carat weight: at 2 carats, natural diamonds average around $16,387 versus $1,506 for lab grown, a difference of about 10.9 times.Shape moves prices more than most buyers expect. At 1 carat, Round cut natural diamonds are the most expensive while Asscher cuts are the most affordable, a gap of over 54% for the same carat weight. Carat size itself scales steeply: a 2 carat natural diamond costs nearly 4.5 times more than a comparable 1 carat stone, not just twice. Lab grown prices dropped around 19.5% over the past 6 months while natural prices remained relatively stable.