How much does a 1.00 to 1.49ct K VS1 natural cushion diamond cost?

As of November 6, 2026, 1.00 to 1.49ct K VS1 natural cushion diamonds typically cost $1,080 USD to $3,165 USD, with a median price of $1,676 USD. There are currently 490 diamonds matching this specification available across retailers.

Where can I find the best price on a K VS1 cushion diamond?

About 34% of these diamonds are available at multiple retailers, with an average price spread of 62%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct K VS1 Natural Cushion

Quick answer

As of November 6, 2026, there are 490 natural cushion diamonds with K color and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $1,080 USD to $3,165 USD, with a median of $1,676 USD. Half of all listings fall between $1,257 USD and $2,235 USD per carat. The same specification in lab grown form lists at a median of about $613 USD per carat. Over the last 30 days the median price moved +1.1% and the number of listings moved +5.0%.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Cushion natural stones in the index: 2,881 USD per carat, -2.5% month on month. See the full index release

Figures come from current listings across more than 125 retailers. The index is a monthly release.

Last updated: November 6, 2026

Available

490

Lowest Price

$815 USD

Highest Price

$7,567 USD

Average Price

$1,935 USD

Market Intelligence

Cross Retailer %

34.1%

Price Spread

62.4%

30-Day Price Trend

+1.1%

30-Day Supply Change

+5.0%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,566/ct

10th Percentile

$1,040

Median

$1,566

90th Percentile

$2,811

Score Distribution

490 diamonds scored across 4 quality tiers

Excellent

109 (22.2%)

Very Good

126 (25.7%)

Good

139 (28.4%)

Average

116 (23.7%)

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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