How much does a 1.50 to 1.99ct K VS1 natural cushion diamond cost?

As of November 6, 2026, 1.50 to 1.99ct K VS1 natural cushion diamonds typically cost $4,410 NZD to $11,731 NZD, with a median price of $6,737 NZD. There are currently 352 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 54%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct K VS1 Natural Cushion

Quick answer

As of November 6, 2026, there are 352 natural cushion diamonds with K colour and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $4,410 NZD to $11,731 NZD, with a median of $6,737 NZD. Half of all listings fall between $3,377 NZD and $5,686 NZD per carat. The same specification in lab grown form lists at a median of about $830 NZD per carat. Over the last 30 days the median price moved +0.1% and the number of listings moved +5.6%.

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

352

Lowest Price

$3,133 NZD

Highest Price

$23,253 NZD

Average Price

$7,425 NZD

Market Intelligence

Cross Retailer %

32.7%

Price Spread

53.6%

30-Day Price Trend

+0.1%

30-Day Supply Change

+5.6%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,387/ct

10th Percentile

$1,589

Median

$2,387

90th Percentile

$3,913

Score Distribution

352 diamonds scored across 4 quality tiers

Excellent

72 (20.5%)

Very Good

113 (32.1%)

Good

82 (23.3%)

Average

85 (24.1%)

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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