0.75 - 0.99ct J I1 Lab Grown Round
As of April 2026, there are 1,296 lab grown round diamonds with J color and I1 clarity in the 0.75 - 0.99ct range available across retailers worldwide. Prices range from $127 NZD to $294,930 NZD, with an average of $12,330 NZD.
Last updated: April 2026
Available
1,296
Lowest Price
$127 NZD
Highest Price
$294,930 NZD
Average Price
$12,330 NZD
Market Intelligence
Retailers Selling
13
Cross Retailer %
55.9%
Price Spread
51.7%
30-Day Price Trend
+17.4%
30-Day Supply Change
+571.6%
Volatility (30d)
0.02
Price Range
Price per carat distribution across retailers
10th Percentile
$646
Median
$1,063
90th Percentile
$1,804
Score Distribution
1.3K diamonds scored across 4 quality tiers
Excellent
14 (1.1%)
Very Good
458 (35.3%)
Good
372 (28.7%)
Average
452 (34.9%)
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