1.00 - 1.49ct D SI1 Lab Grown Radiant
As of April 2026, there are 1,001 lab grown radiant diamonds with D color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ￥10,424 JPY to ￥1,428,358 JPY, with an average of ￥106,614 JPY.
Last updated: April 2026
Available
1,001
Lowest Price
￥10,424 JPY
Highest Price
￥1,428,358 JPY
Average Price
￥106,614 JPY
Market Intelligence
Retailers Selling
31
Cross Retailer %
N/A
Price Spread
90.9%
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
$271
Median
$475
90th Percentile
$1,302
Score Distribution
1.0K diamonds scored across 4 quality tiers
Excellent
364 (36.4%)
Very Good
340 (34.0%)
Good
187 (18.7%)
Average
110 (11.0%)
Find Your Diamond
Search 1,001 D SI1 radiant diamonds and compare prices.
Search Diamonds