3.00 - 4.99ct J SI1 Lab Grown Heart
As of April 2026, there are 177 lab grown heart diamonds with J color and SI1 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from ￥35,224 JPY to ￥7,742,293 JPY, with an average of ￥470,363 JPY.
Last updated: April 2026
Available
177
Lowest Price
￥35,224 JPY
Highest Price
￥7,742,293 JPY
Average Price
￥470,363 JPY
Score Distribution
177 diamonds scored across 4 quality tiers
Excellent
11 (6.2%)
Very Good
28 (15.8%)
Good
63 (35.6%)
Average
75 (42.4%)
Find Your Diamond
Search 177 J SI1 heart diamonds and compare prices.
Search Diamonds