0.75 - 0.99ct J SI1 Lab Grown Cushion

As of April 2026, there are 514 lab grown cushion diamonds with J color and SI1 clarity in the 0.75 - 0.99ct range available across retailers worldwide. Prices range from ¥28,657 JPY to ¥4,893,134 JPY, with an average of ¥448,735 JPY.

Last updated: April 2026

Available
514
Lowest Price
¥28,657 JPY
Highest Price
¥4,893,134 JPY
Average Price
¥448,735 JPY

Market Intelligence

Retailers Selling
15
Cross Retailer %
N/A
Price Spread
44.2%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A

Price Range

Price per carat distribution across retailers

$1,404/ct
10th Percentile
$781
Median
$1,404
90th Percentile
$2,416

Score Distribution

514 diamonds scored across 4 quality tiers

Excellent
29 (5.6%)
Very Good
94 (18.3%)
Good
273 (53.1%)
Average
118 (23.0%)

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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