Your Country 1 Carat Oval Natural Diamond Prices

    The current price for a 1 carat oval natural diamond in United States is $3,279.00, calculated from 13,197 diamonds that match this carat weight and shape in our database, and has decreased by 0.03% over the last 7 days.

    When comparing to 1 carat natural diamond prices, prices for these diamonds range from $1,040.00 to $13,056.00, depending on factors such as color and clarity.

    1 Carat Oval Natural Diamond Price Trends

    1ct Oval Natural Diamond Price Chart in United States (29 August 2026)

    Overall, the trend for 1 carat oval natural diamond prices over the past three weeks shows fluctuating trends.

    The 7-day change is a slight decrease of 0.03%, the 14-day change is a sizable no change of 0.00%, and the 21-day change is a considerable no change of 0.00%.

    These mixed trends suggest volatility in the diamond market at this carat weight.

    1 Carat Natural Oval Diamond Prices by Color and Clarity

    Clarity \ ColorDEFGHIJ
    IF$11,570$7,642$7,690$5,415$4,846$3,873$3,782
    FL$11,669N/AN/A$7,520$5,276N/AN/A
    VVS1$7,391$6,897$7,296$5,376$4,724$4,121$4,031
    VVS2$8,431$7,149$6,722$5,349$4,619$4,193$1,748
    VS1$5,915$6,015$6,225$5,508$4,559$4,439$3,049
    VS2$5,222$5,017$5,441$5,177$4,400$3,446$3,070
    SI1$4,282$4,565$3,891$3,830$3,888$3,571$3,208
    SI2$3,503$3,968$3,303$3,451$3,133$2,995$2,859
    I1$2,920$2,165$2,543$2,762$2,034$2,299$1,634
    I2$1,523$1,539$2,167$1,847$2,439$1,793$1,942

    In United States, the highest quality 1 carat oval natural diamonds with color grade D and clarity FL are priced at $11,668.87.

    The lowest quality natural diamonds with color grade J and clarity I2 are priced at $1,942.31.

    This is a difference of $9,726.56, which means that the highest quality natural diamond is priced 500.77% higher than the lowest quality natural diamonds at the same carat weight.

    It should be noted that there may be some seeming anomalies in the table where lower quality diamonds are priced higher than better quality diamonds. This can happen as our database sources prices from a large number of suppliers and if there are relatively few of a particular combination of shape, color, and clarity available, pricing discrepancies can occur.