How much does a 3.00 to 4.99ct G SI2 natural oval diamond cost?

As of October 2026, 3.00 to 4.99ct G SI2 natural oval diamonds typically cost $29,429 CAD to $112,540 CAD, with a median price of $56,855 CAD. There are currently 148 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 41%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct G SI2 Natural Oval

Quick answer

As of October 2026, there are 148 natural oval diamonds with G color and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $29,429 CAD to $112,540 CAD, with a median of $56,855 CAD. At least 53 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 41%. Half of all listings fall between $12,857 CAD and $19,642 CAD per carat. The same specification in lab grown form lists at a median of about $665 CAD per carat. Over the last 30 days the median price moved +1.5% and the number of listings moved +7.5%.

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

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Oval natural stones in the index: 2,655 USD per carat, +10.2% month on month. See the full index release

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

Last updated: October 2026

Available

148

Lowest Price

$16,625 CAD

Highest Price

$219,653 CAD

Average Price

$64,383 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

32.4%

Price Spread

41.4%

30-Day Price Trend

+1.5%

30-Day Supply Change

+7.5%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$11,716/ct

10th Percentile

$6,904

Median

$11,716

90th Percentile

$16,123

Score Distribution

466 diamonds scored across 4 quality tiers

Excellent

102 (21.9%)

Very Good

76 (16.3%)

Good

84 (18.0%)

Average

204 (43.8%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

H SI2H colour is visually identical to G to the naked eye

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Lab-Grown G SI2Same specifications, lab-grown origin

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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