Price index 1-month change,
1 ct, all shapes Natural $3,939 +1.13% 1 ct, all shapes Lab-grown $541 +9.29% 1 ct Round Natural $4,847 +0.66% 1 ct Round Lab-grown $521 +7.64% 1 ct Oval Natural $3,958 +1.88% 1 ct Oval Lab-grown $569 +12.01% 2 ct, all shapes Natural $17,763 +0.83% 2 ct, all shapes Lab-grown $1,053 +4.26% 1 ct Emerald Natural $2,805 -0.71% 1 ct Emerald Lab-grown $528 +3.33% 0.5 ct, all shapes Natural $1,094 +1.77% 0.5 ct, all shapes Lab-grown $392 +18.79% 1 ct Cushion Natural $2,813 -0.04% 1 ct Cushion Lab-grown $557 +19.53% 3 ct, all shapes Natural $41,515 +0.45% 3 ct, all shapes Lab-grown $1,577 +0.00% 1 ct Pear Natural $3,905 +3.33% 1 ct Pear Lab-grown $576 +10.56% 1.5 ct, all shapes Natural $8,471 +1.10% 1.5 ct, all shapes Lab-grown $781 +10.62% 1 ct Radiant Natural $2,900 -1.02% 1 ct Radiant Lab-grown $601 +15.80% 1 ct Princess Natural $2,841 -0.53% 1 ct Princess Lab-grown $568 +10.51% 5 ct, all shapes Natural $116,766 -1.05% 5 ct, all shapes Lab-grown $2,183 +4.75%
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