1.00 - 1.49ct I SI1 Lab Grown Radiant
As of April 2026, there are 403 lab grown radiant diamonds with I color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from $322 NZD to $903,489 NZD, with an average of $6,725 NZD.
Last updated: April 2026
Available
403
Lowest Price
$322 NZD
Highest Price
$903,489 NZD
Average Price
$6,725 NZD
Market Intelligence
Retailers Selling
25
Cross Retailer %
N/A
Price Spread
30.8%
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
$407
Median
$1,375
90th Percentile
$2,582
Score Distribution
403 diamonds scored across 4 quality tiers
Excellent
11 (2.7%)
Very Good
37 (9.2%)
Good
261 (64.8%)
Average
94 (23.3%)
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