1.00 - 1.49ct J SI1 Natural Radiant

As of April 2026, there are 1,272 natural radiant diamonds with J color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from $383 NZD to $512,644 NZD, with an average of $18,802 NZD.

Last updated: April 2026

Available
1,272
Lowest Price
$383 NZD
Highest Price
$512,644 NZD
Average Price
$18,802 NZD

Market Intelligence

Retailers Selling
47
Cross Retailer %
N/A
Price Spread
47.8%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A

Price Range

Price per carat distribution across retailers

$1,771/ct
10th Percentile
$1,226
Median
$1,771
90th Percentile
$3,014

Score Distribution

1.3K diamonds scored across 4 quality tiers

Excellent
136 (10.7%)
Very Good
307 (24.1%)
Good
496 (39.0%)
Average
333 (26.2%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

Lab-Grown J SI1Same specifications, lab-grown origin
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Related Specifications

D IFD VVS1D VVS2D VS1D VS2D SI1E IFE VVS1E VVS2E VS1E VS2E SI1F IFF VVS1F VVS2F VS1F VS2F SI1G IFG VVS1G VVS2G VS1G VS2G SI1H IFH VVS1H VVS2H VS1H VS2H SI1I IFI VVS1I VVS2I VS1I VS2I SI1