3.00 - 4.99ct J IF Lab Grown Heart
As of April 2026, there are 41 lab grown heart diamonds with J color and IF clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from ￥55,160 JPY to ￥1,819,403 JPY, with an average of ￥291,980 JPY.
Last updated: April 2026
Available
41
Lowest Price
￥55,160 JPY
Highest Price
￥1,819,403 JPY
Average Price
￥291,980 JPY
Score Distribution
41 diamonds scored across 4 quality tiers
Excellent
8 (19.5%)
Very Good
23 (56.1%)
Good
1 (2.4%)
Average
9 (22.0%)
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