1.50 - 1.99ct 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 1.50 - 1.99ct range available across retailers worldwide. Prices range from $137 AUD to $138,528 AUD, with an average of $2,852 AUD.
Last updated: April 2026
Available
4,895
Lowest Price
$137 AUD
Highest Price
$138,528 AUD
Average Price
$2,852 AUD
Market Intelligence
Retailers Selling
30
Cross Retailer %
N/A
Price Spread
91.0%
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
$1,348
Median
$2,939
90th Percentile
$5,499
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.