12 Carat Round Lab-grown Diamond Prices | Jewellery Australia

    12 Carat Round Lab-grown Diamond Prices

    The current price for a 12 carat round lab-grown diamond in Australia is $15,262.37, calculated from 118 diamonds that match this carat weight and shape in our database, and has decreased by 2.93% over the last 7 days.

    When comparing to 12 carat lab-grown diamond prices, prices for these diamonds range from $8,824.64 to $37,174.96, depending on factors such as colour and clarity.

    12 Carat Round Lab-grown Diamond Price Trends

    Overall, the trend for 12 carat round lab-grown diamond prices over the past three weeks shows a consistent decrease.

    The 7-day change is a moderate decrease of 2.93%, the 14-day change is a significant decrease of 5.44%, and the 21-day change is a sizable decrease of 5.27%.

    These downward trends in diamond prices could suggest weakening demand or increased supply.

    12 Carat Lab-grown Round Diamond Prices by Color and Clarity

    Clarity \ ColorDEFGH
    VVS1$64,515N/AN/AN/AN/A
    VVS2N/A$14,792$15,286$12,395N/A
    VS1$19,450$15,990$16,410$13,930$12,232
    VS2N/A$12,627$14,717$13,207N/A
    SI1N/A$11,367$8,927$9,088N/A

    In Australia, the highest quality 12 carat round lab-grown diamonds with colour grade D and clarity VVS1 are priced at $64,514.95.

    The lowest quality lab-grown diamonds with colour grade G and clarity SI1 are priced at $9,087.59.

    This is a difference of $55,427.36, which means that the highest quality lab-grown diamond is priced 609.92% higher than the lowest quality lab-grown 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.