1.00 - 1.49ct H I1 Lab Grown Cushion

As of April 2026, there are 16 lab grown cushion diamonds with H color and I1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ¥127,313 JPY to ¥789,300 JPY, with an average of ¥280,628 JPY.

Last updated: April 2026

Available
16
Lowest Price
¥127,313 JPY
Highest Price
¥789,300 JPY
Average Price
¥280,628 JPY

Market Intelligence

Retailers Selling
3
Cross Retailer %
8.3%
Price Spread
43.7%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A

Price Range

Price per carat distribution across retailers

$1,388/ct
10th Percentile
$909
Median
$1,388
90th Percentile
$3,330

Score Distribution

16 diamonds scored across 4 quality tiers

Excellent
1 (6.3%)
Very Good
2 (12.5%)
Good
6 (37.5%)
Average
7 (43.8%)

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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