How much does a 5.00ct+ I I1 natural oval diamond cost?

As of September 2026, 5.00ct+ I I1 natural oval diamonds typically cost $19,854 CAD to $87,458 CAD, with a median price of $41,533 CAD. There are currently 15 diamonds matching this specification available across retailers.

Where can I find the best price on a I I1 oval diamond?

About 38% of these diamonds are available at multiple retailers, with an average price spread of 26%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ I I1 Natural Oval

Quick answer

As of September 2026, there are 15 natural oval diamonds with I color and I1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $19,854 CAD to $87,458 CAD, with a median of $41,533 CAD. At least 7 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 26%. Half of all listings fall between $4,520 CAD and $5,830 CAD per carat. Over the last 30 days the median price moved -65.7% and the number of listings moved -69.0%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Oval natural stones in the index: 2,380 USD per carat, -9.6% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

$15,823 CAD

Highest Price

$207,045 CAD

Average Price

$50,590 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

38.5%

Price Spread

25.5%

30-Day Price Trend

-65.7%

30-Day Supply Change

-69.0%

Volatility (30d)

0.14

Price Range

Price per carat distribution across retailers

$3,698/ct

10th Percentile

$2,451

Median

$3,698

90th Percentile

$4,738

Score Distribution

15 diamonds scored across 3 quality tiers

Very Good

6 (40.0%)

Good

4 (26.7%)

Average

5 (33.3%)

Find Your Diamond

Search 15 I I1 oval diamonds and compare prices.

Search Diamonds

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