5.00ct+ J SI1 Lab Grown Radiant
As of April 2026, there are 505 lab grown radiant diamonds with J color and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from $488 NZD to $275,410 NZD, with an average of $7,606 NZD.
Last updated: April 2026
Available
505
Lowest Price
$488 NZD
Highest Price
$275,410 NZD
Average Price
$7,606 NZD
Market Intelligence
Retailers Selling
4
Cross Retailer %
N/A
Price Spread
60.4%
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
$6,156
Median
$14,006
90th Percentile
$18,136
Score Distribution
505 diamonds scored across 4 quality tiers
Excellent
11 (2.2%)
Very Good
15 (3.0%)
Good
363 (71.9%)
Average
116 (23.0%)
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