How much does a 0.50 to 0.74ct K VS1 natural marquise diamond cost?

As of November 6, 2026, 0.50 to 0.74ct K VS1 natural marquise diamonds typically cost $828 NZD to $2,231 NZD, with a median price of $1,185 NZD. There are currently 136 diamonds matching this specification available across retailers.

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

About 46% of these diamonds are available at multiple retailers, with an average price spread of 44%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct K VS1 Natural Marquise

Quick answer

As of November 6, 2026, there are 136 natural marquise diamonds with K colour and VS1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $828 NZD to $2,231 NZD, with a median of $1,185 NZD. Half of all listings fall between $1,769 NZD and $2,678 NZD per carat. The same specification in lab grown form lists at a median of about $402 NZD per carat. Over the last 30 days the median price moved +1.6% and the number of listings moved +5.4%.

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. Marquise natural stones in the index: 2,177 USD per carat, -4.2% 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

136

Lowest Price

$436 NZD

Highest Price

$4,561 NZD

Average Price

$1,355 NZD

Market Intelligence

Cross Retailer %

45.6%

Price Spread

43.9%

30-Day Price Trend

+1.6%

30-Day Supply Change

+5.4%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,162/ct

10th Percentile

$834

Median

$1,162

90th Percentile

$1,924

Score Distribution

136 diamonds scored across 4 quality tiers

Excellent

29 (21.3%)

Very Good

40 (29.4%)

Good

28 (20.6%)

Average

39 (28.7%)

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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