0.20 - 0.49ct H SI1 Lab Grown Round
As of April 2026, there are 7,450 lab grown round diamonds with H color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from £57 GBP to £83,528 GBP, with an average of £1,072 GBP.
Last updated: April 2026
Available
7,450
Lowest Price
£57 GBP
Highest Price
£83,528 GBP
Average Price
£1,072 GBP
Market Intelligence
Retailers Selling
10
Cross Retailer %
N/A
Price Spread
47.6%
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
$822
Median
$991
90th Percentile
$2,275
Score Distribution
7.5K diamonds scored across 4 quality tiers
Excellent
1,277 (17.1%)
Very Good
3,231 (43.4%)
Good
2,241 (30.1%)
Average
701 (9.4%)
Find Your Diamond
Search 7,450 H SI1 round diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.