1.50 - 1.99ct J SI1 Lab Grown Heart
As of April 2026, there are 177 lab grown heart diamonds with J color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from £186 GBP to £40,845 GBP, with an average of £2,481 GBP.
Last updated: April 2026
Available
177
Lowest Price
£186 GBP
Highest Price
£40,845 GBP
Average Price
£2,481 GBP
Market Intelligence
Retailers Selling
21
Cross Retailer %
N/A
Price Spread
28.9%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A
Price Range
Price per carat distribution across retailers
10th Percentile
$1,166
Median
$1,504
90th Percentile
$2,295
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%)
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