1.00 to 1.49ct I SI1 Lab Grown Radiant
Last updated: September 2026
Available
68
Lowest Price
£563 GBP
Highest Price
£3,696 GBP
Average Price
£1,358 GBP
Market Intelligence
Retailers Selling
19
Price Spread
51.4%
Price Range
Price per carat distribution across retailers
10th Percentile
$397
Median
$1,326
90th Percentile
$3,105
Score Distribution
68 diamonds scored across 3 quality tiers
Very Good
5 (7.4%)
Good
46 (67.6%)
Average
17 (25.0%)
Find Your Diamond
Search 68 I SI1 radiant diamonds and compare prices.
Search Diamonds