How much does a 1.00 to 1.49ct I VVS1 lab grown cushion diamond cost?

As of October 2026, 1.00 to 1.49ct I VVS1 lab grown cushion diamonds typically cost €325 EUR to €463 EUR, with a median price of €394 EUR. There are currently 1 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS1 cushion diamond?

About 17% of these diamonds are available at multiple retailers, with an average price spread of 46%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct I VVS1 Lab Grown Cushion

Quick answer

As of October 2026, there are 1 lab grown cushion diamonds with I colour and VVS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €325 EUR to €463 EUR, with a median of €394 EUR. At least 25 retailers stock this exact specification, and 17% of the stones appear at more than one of them, with an average price spread of 46%. Half of all listings fall between €402 EUR and €692 EUR per carat. The same specification in natural form lists at a median of about €2,919 EUR per carat. Over the last 30 days the median price moved +10.0% and the number of listings moved +3.7%.

Three of the best scored stones at this specification right now:

1.02ct Cushion I VVS1, IGI, grade A, from €308 EUR

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Cushion lab grown stones in the index: 516 USD per carat, +6.9% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: October 2026

Available

Lowest Price

€308 EUR

Highest Price

€933 EUR

Average Price

€394 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

17.3%

Price Spread

46.1%

30-Day Price Trend

+10.0%

30-Day Supply Change

+3.7%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$703/ct

10th Percentile

$342

Median

$703

90th Percentile

$1,058

Score Distribution

2 diamonds scored across 2 quality tiers

Excellent

1 (50.0%)

Very Good

1 (50.0%)

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Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1