How much does a 0.50 to 0.74ct K SI2 natural oval diamond cost?

As of November 6, 2026, 0.50 to 0.74ct K SI2 natural oval diamonds typically cost $550 CAD to $1,662 CAD, with a median price of $1,007 CAD. There are currently 148 diamonds matching this specification available across retailers.

Where can I find the best price on a K SI2 oval diamond?

About 37% of these diamonds are available at multiple retailers, with an average price spread of 67%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct K SI2 Natural Oval

Quick answer

As of November 6, 2026, there are 148 natural oval diamonds with K color and SI2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $550 CAD to $1,662 CAD, with a median of $1,007 CAD. Half of all listings fall between $1,133 CAD and $2,161 CAD per carat. Over the last 30 days the median price moved -1.3% and the number of listings moved +4.0%.

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. Oval natural stones in the index: 2,512 USD per carat, -7.2% 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

148

Lowest Price

$303 CAD

Highest Price

$3,329 CAD

Average Price

$1,093 CAD

Market Intelligence

Cross Retailer %

37.2%

Price Spread

66.7%

30-Day Price Trend

-1.3%

30-Day Supply Change

+4.0%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,097/ct

10th Percentile

$627

Median

$1,097

90th Percentile

$1,837

Score Distribution

148 diamonds scored across 4 quality tiers

Excellent

22 (14.9%)

Very Good

39 (26.4%)

Good

27 (18.2%)

Average

60 (40.5%)

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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