5.00ct+ E SI1 Lab Grown Cushion

As of April 2026, there are 1,476 lab grown cushion diamonds with E color and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from ¥11,821 JPY to ¥2,753,821 JPY, with an average of ¥155,800 JPY.

Last updated: April 2026

Available
1,476
Lowest Price
¥11,821 JPY
Highest Price
¥2,753,821 JPY
Average Price
¥155,800 JPY

Market Intelligence

Retailers Selling
9
Cross Retailer %
N/A
Price Spread
76.8%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A

Price Range

Price per carat distribution across retailers

$310/ct
10th Percentile
$273
Median
$310
90th Percentile
$1,351

Score Distribution

1.5K diamonds scored across 4 quality tiers

Excellent
503 (34.1%)
Very Good
420 (28.5%)
Good
328 (22.2%)
Average
225 (15.2%)

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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