1.00 - 1.49ct J SI1 Lab Grown Radiant
As of April 2026, there are 505 lab grown radiant diamonds with J color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from €269 EUR to €151,602 EUR, with an average of €4,186 EUR.
Last updated: April 2026
Available
505
Lowest Price
€269 EUR
Highest Price
€151,602 EUR
Average Price
€4,186 EUR
Market Intelligence
Retailers Selling
15
Cross Retailer %
N/A
Price Spread
12.9%
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
$830
Median
$1,434
90th Percentile
$1,983
Score Distribution
505 diamonds scored across 4 quality tiers
Excellent
11 (2.2%)
Very Good
16 (3.2%)
Good
362 (71.7%)
Average
116 (23.0%)
Find Your Diamond
Search 505 J SI1 radiant diamonds and compare prices.
Search Diamonds