How much does a 0.50 to 0.74ct L SI1 natural oval diamond cost?

As of November 6, 2026, 0.50 to 0.74ct L SI1 natural oval diamonds typically cost HK$2,423 HKD to HK$6,426 HKD, with a median price of HK$4,273 HKD. There are currently 40 diamonds matching this specification available across retailers.

Where can I find the best price on a L SI1 oval diamond?

About 53% of these diamonds are available at multiple retailers, with an average price spread of 40%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct L SI1 Natural Oval

Quick answer

As of November 6, 2026, there are 40 natural oval diamonds with L colour and SI1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run HK$2,423 HKD to HK$6,426 HKD, with a median of HK$4,273 HKD. Half of all listings fall between HK$5,922 HKD and HK$8,544 HKD per carat. The same specification in lab grown form lists at a median of about HK$5,828 HKD per carat. Over the last 30 days the median price moved -2.6% and the number of listings moved -1.7%.

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

Lowest Price

HK$1,999 HKD

Highest Price

HK$14,186 HKD

Average Price

HK$4,430 HKD

Market Intelligence

Cross Retailer %

52.5%

Price Spread

40.0%

30-Day Price Trend

-2.6%

30-Day Supply Change

-1.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$836/ct

10th Percentile

$617

Median

$836

90th Percentile

$1,372

Score Distribution

40 diamonds scored across 4 quality tiers

Excellent

10 (25.0%)

Very Good

14 (35.0%)

Good

9 (22.5%)

Average

7 (17.5%)

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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