NZ 1.5 Carat Oval Natural Diamond Prices

    The current price for a 1.5 carat oval natural diamond in New Zealand is $176,104,288.47, calculated from 5,153 diamonds that match this carat weight and shape in our database, and has increased by 1262193.18% over the last 7 days.

    When comparing to 1.5 carat natural diamond prices, prices for these diamonds range from $47,643,979.21 to $521,856,421.99, depending on factors such as colour and clarity.

    1.5 Carat Oval Natural Diamond Price Trends

    1.5ct Oval Natural Diamond Price Chart in New Zealand (30 June 2026)

    Overall, the trend for 1.5 carat oval natural diamond prices over the past three weeks shows fluctuating trends.

    The 7-day change is a significant increase of 1262193.18%, the 14-day change is a slight no change of 0.00%, and the 21-day change is a sizable no change of 0.00%.

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

    1.5 Carat Natural Oval Diamond Prices by Color and Clarity

    Clarity \ ColorDEFGHIJ
    IF$30,653$23,958$22,378$28,252$22,416$13,679$22,424
    FL$40,661N/AN/AN/AN/AN/AN/A
    VVS1$31,721$31,703$30,750$26,312$20,890$15,238$12,499
    VVS2$34,799$29,674$31,718$27,109$18,707$19,929$14,676
    VS1$31,957$24,490$32,403$25,355$20,912$14,446$10,236
    VS2$25,900$32,044$23,934$23,244$18,552$18,964$12,057
    SI1$23,513$20,266$20,523$20,142$16,665$15,393$9,495
    SI2$13,717$16,916$15,273$14,785$12,858$11,646$8,185
    I1$6,867$10,567$9,288$8,368$13,578$11,368$7,135
    I2$8,783$6,106$8,135$5,022$7,617$8,872$5,231

    In New Zealand, the highest quality 1.5 carat oval natural diamonds with colour grade D and clarity FL are priced at $40,661.04.

    The lowest quality natural diamonds with colour grade J and clarity I2 are priced at $5,230.53.

    This is a difference of $35,430.51, which means that the highest quality natural diamond is priced 677.38% 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, colour, and clarity available, pricing discrepancies can occur.