0.20 - 0.49ct J SI2 Natural Round
As of April 2026, there are 12,291 natural round diamonds with J color and SI2 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from ￥16,269 JPY to ￥110,666,268 JPY, with an average of ￥1,006,619 JPY.
Last updated: April 2026
Available
12,291
Lowest Price
￥16,269 JPY
Highest Price
￥110,666,268 JPY
Average Price
￥1,006,619 JPY
Market Intelligence
Retailers Selling
22
Cross Retailer %
N/A
Price Spread
53.2%
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
$733
Median
$1,351
90th Percentile
$1,847
Score Distribution
12.3K diamonds scored across 4 quality tiers
Excellent
1,741 (14.2%)
Very Good
4,654 (37.9%)
Good
3,546 (28.9%)
Average
2,350 (19.1%)
Find Your Diamond
Search 12,291 J SI2 round diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.