Price index 1-month change,
1 ct, all shapes Natural $3,964 +3.69% 1 ct, all shapes Lab-grown $527 +4.98% 1 ct Round Natural $4,761 +1.30% 1 ct Round Lab-grown $508 +4.53% 1 ct Oval Natural $4,015 +5.05% 1 ct Oval Lab-grown $562 +9.34% 2 ct, all shapes Natural $17,448 +0.58% 2 ct, all shapes Lab-grown $1,033 +0.19% 1 ct Emerald Natural $2,872 +2.06% 1 ct Emerald Lab-grown $510 -2.30% 0.5 ct, all shapes Natural $1,094 +2.92% 0.5 ct, all shapes Lab-grown $378 +14.89% 1 ct Cushion Natural $2,874 +2.83% 1 ct Cushion Lab-grown $523 +5.44% 3 ct, all shapes Natural $41,080 -0.09% 3 ct, all shapes Lab-grown $1,559 -2.99% 1 ct Pear Natural $3,785 +1.91% 1 ct Pear Lab-grown $551 +4.16% 1.5 ct, all shapes Natural $8,429 +2.12% 1.5 ct, all shapes Lab-grown $746 +4.04% 1 ct Radiant Natural $2,842 -1.25% 1 ct Radiant Lab-grown $551 +0.73% 1 ct Princess Natural $2,876 +2.60% 1 ct Princess Lab-grown $543 +5.23% 5 ct, all shapes Natural $117,202 -0.70% 5 ct, all shapes Lab-grown $2,120 +1.00%