How much does a 0.75 to 0.99ct G I1 natural oval diamond cost?

As of October 2026, 0.75 to 0.99ct G I1 natural oval diamonds typically cost $1,165 SGD to $2,648 SGD, with a median price of $1,823 SGD. There are currently 42 diamonds matching this specification available across retailers.

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

About 16% 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.

0.75 to 0.99ct G I1 Natural Oval

Quick answer

As of October 2026, there are 42 natural oval diamonds with G colour and I1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $1,165 SGD to $2,648 SGD, with a median of $1,823 SGD. At least 25 retailers stock this exact specification, and 16% of the stones appear at more than one of them, with an average price spread of 41%. Half of all listings fall between $1,786 SGD and $2,662 SGD per carat. Over the last 30 days the median price moved -1.6% and the number of listings moved -1.1%.

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

Lowest Price

$711 SGD

Highest Price

$4,990 SGD

Average Price

$1,951 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

16.3%

Price Spread

40.7%

30-Day Price Trend

-1.6%

30-Day Supply Change

-1.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,682/ct

10th Percentile

$1,120

Median

$1,682

90th Percentile

$2,732

Score Distribution

147 diamonds scored across 4 quality tiers

Excellent

11 (7.5%)

Very Good

26 (17.7%)

Good

15 (10.2%)

Average

95 (64.6%)

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

H I1H colour is visually identical to G to the naked eye

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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