1.50 - 1.99ct J I1 Lab Grown Round
As of April 2026, there are 1,192 lab grown round diamonds with J color and I1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from $127 NZD to $257,148 NZD, with an average of $8,650 NZD.
Last updated: April 2026
Available
1,192
Lowest Price
$127 NZD
Highest Price
$257,148 NZD
Average Price
$8,650 NZD
Market Intelligence
Retailers Selling
16
Cross Retailer %
55.3%
Price Spread
70.4%
30-Day Price Trend
+28.8%
30-Day Supply Change
+273.3%
Volatility (30d)
0.02
Price Range
Price per carat distribution across retailers
10th Percentile
$1,119
Median
$1,965
90th Percentile
$4,236
Score Distribution
1.2K diamonds scored across 4 quality tiers
Excellent
12 (1.0%)
Very Good
470 (39.4%)
Good
371 (31.1%)
Average
339 (28.4%)
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