3.00 - 4.99ct J SI2 Lab Grown Round
As of April 2026, there are 3,587 lab grown round diamonds with J color and SI2 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from $112 SGD to $788,313 SGD, with an average of $3,370 SGD.
Last updated: April 2026
Available
3,587
Lowest Price
$112 SGD
Highest Price
$788,313 SGD
Average Price
$3,370 SGD
Market Intelligence
Retailers Selling
16
Cross Retailer %
N/A
Price Spread
85.0%
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
$2,783
Median
$5,590
90th Percentile
$10,487
Score Distribution
3.6K diamonds scored across 4 quality tiers
Excellent
315 (8.8%)
Very Good
1,783 (49.7%)
Good
927 (25.8%)
Average
562 (15.7%)
Find Your Diamond
Search 3,587 J SI2 round diamonds and compare prices.
Search Diamonds