1.00 - 1.49ct D SI1 Lab Grown Radiant
As of April 2026, there are 1,020 lab grown radiant diamonds with D color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from £55 GBP to £7,535 GBP, with an average of £565 GBP.
Last updated: April 2026
Available
1,020
Lowest Price
£55 GBP
Highest Price
£7,535 GBP
Average Price
£565 GBP
Market Intelligence
Retailers Selling
31
Cross Retailer %
N/A
Price Spread
90.8%
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
$265
Median
$469
90th Percentile
$1,297
Score Distribution
1.0K diamonds scored across 4 quality tiers
Excellent
371 (36.4%)
Very Good
352 (34.6%)
Good
182 (17.9%)
Average
113 (11.1%)
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