How much does a 0.50 to 0.74ct K IF natural round diamond cost?

As of November 6, 2026, 0.50 to 0.74ct K IF natural round diamonds typically cost $800 NZD to $2,503 NZD, with a median price of $1,275 NZD. There are currently 847 diamonds matching this specification available across retailers.

Where can I find the best price on a K IF round diamond?

About 39% of these diamonds are available at multiple retailers, with an average price spread of 60%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct K IF Natural Round

Quick answer

As of November 6, 2026, there are 847 natural round diamonds with K colour and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $800 NZD to $2,503 NZD, with a median of $1,275 NZD. Half of all listings fall between $1,713 NZD and $3,036 NZD per carat. The same specification in lab grown form lists at a median of about $1,615 NZD per carat. Over the last 30 days the median price moved -0.6% and the number of listings moved +1.9%.

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. Round natural stones in the index: 2,124 USD per carat, -6.9% 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

847

Lowest Price

$554 NZD

Highest Price

$5,427 NZD

Average Price

$1,486 NZD

Market Intelligence

Cross Retailer %

39.4%

Price Spread

60.0%

30-Day Price Trend

-0.6%

30-Day Supply Change

+1.9%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,239/ct

10th Percentile

$802

Median

$1,239

90th Percentile

$2,318

Score Distribution

847 diamonds scored across 4 quality tiers

Excellent

291 (34.4%)

Very Good

198 (23.4%)

Good

155 (18.3%)

Average

203 (24.0%)

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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