1.00 - 1.49ct H SI1 Lab Grown Cushion

As of April 2026, there are 248 lab grown cushion diamonds with H color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ¥29,104 JPY to ¥3,221,642 JPY, with an average of ¥319,776 JPY.

Last updated: April 2026

Available
248
Lowest Price
¥29,104 JPY
Highest Price
¥3,221,642 JPY
Average Price
¥319,776 JPY

Market Intelligence

Retailers Selling
16
Cross Retailer %
N/A
Price Spread
128.0%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A

Price Range

Price per carat distribution across retailers

$1,385/ct
10th Percentile
$431
Median
$1,385
90th Percentile
$4,226

Score Distribution

248 diamonds scored across 4 quality tiers

Excellent
39 (15.7%)
Very Good
104 (41.9%)
Good
53 (21.4%)
Average
52 (21.0%)

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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