1.50 - 1.99ct I SI1 Lab Grown Radiant
As of April 2026, there are 405 lab grown radiant diamonds with I color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from $322 NZD to $903,489 NZD, with an average of $7,438 NZD.
Last updated: April 2026
Available
405
Lowest Price
$322 NZD
Highest Price
$903,489 NZD
Average Price
$7,438 NZD
Market Intelligence
Retailers Selling
18
Cross Retailer %
N/A
Price Spread
5.0%
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
$532
Median
$1,499
90th Percentile
$1,992
Score Distribution
405 diamonds scored across 4 quality tiers
Excellent
10 (2.5%)
Very Good
37 (9.1%)
Good
264 (65.2%)
Average
94 (23.2%)
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