3.00 - 4.99ct I SI2 Lab Grown Round
As of April 2026, there are 4,895 lab grown round diamonds with I color and SI2 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from £70 GBP to £70,900 GBP, with an average of £1,460 GBP.
Last updated: April 2026
Available
4,895
Lowest Price
£70 GBP
Highest Price
£70,900 GBP
Average Price
£1,460 GBP
Market Intelligence
Retailers Selling
16
Cross Retailer %
N/A
Price Spread
69.0%
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
$4,186
Median
$7,878
90th Percentile
$13,587
Score Distribution
4.9K diamonds scored across 4 quality tiers
Excellent
861 (17.6%)
Very Good
2,550 (52.1%)
Good
872 (17.8%)
Average
612 (12.5%)
Find Your Diamond
Search 4,895 I SI2 round diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.