How much does a 0.75 to 0.99ct K SI2 natural oval diamond cost?

As of November 6, 2026, 0.75 to 0.99ct K SI2 natural oval diamonds typically cost HK$5,306 HKD to HK$15,993 HKD, with a median price of HK$8,837 HKD. There are currently 202 diamonds matching this specification available across retailers.

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

About 39% of these diamonds are available at multiple retailers, with an average price spread of 78%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct K SI2 Natural Oval

Quick answer

As of November 6, 2026, there are 202 natural oval diamonds with K colour and SI2 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run HK$5,306 HKD to HK$15,993 HKD, with a median of HK$8,837 HKD. Half of all listings fall between HK$7,118 HKD and HK$15,182 HKD per carat. Over the last 30 days the median price moved -3.4% and the number of listings moved +2.6%.

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. 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

202

Lowest Price

HK$3,525 HKD

Highest Price

HK$32,384 HKD

Average Price

HK$9,851 HKD

Market Intelligence

Cross Retailer %

39.1%

Price Spread

78.2%

30-Day Price Trend

-3.4%

30-Day Supply Change

+2.6%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,317/ct

10th Percentile

$760

Median

$1,317

90th Percentile

$2,254

Score Distribution

202 diamonds scored across 4 quality tiers

Excellent

33 (16.3%)

Very Good

49 (24.3%)

Good

37 (18.3%)

Average

83 (41.1%)

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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