1.00 to 1.49ct D SI1 Lab Grown Round
Last updated: September 2026
Available
2,493
Lowest Price
£29 GBP
Highest Price
£9,333 GBP
Average Price
£377 GBP
Market Intelligence
Retailers Selling
42
Price Spread
71.8%
Price Range
Price per carat distribution across retailers
10th Percentile
$167
Median
$390
90th Percentile
$990
Score Distribution
2.5K diamonds scored across 4 quality tiers
Excellent
766 (30.7%)
Very Good
524 (21.0%)
Good
434 (17.4%)
Average
769 (30.8%)
Find Your Diamond
Search 2,493 D SI1 round diamonds and compare prices.
Search Diamonds