How much does a 0.75 to 0.99ct I SI2 natural emerald diamond cost?

As of October 2026, 0.75 to 0.99ct I SI2 natural emerald diamonds typically cost $975 SGD to $2,601 SGD, with a median price of $1,428 SGD. There are currently 66 diamonds matching this specification available across retailers.

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

About 29% of these diamonds are available at multiple retailers, with an average price spread of 50%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct I SI2 Natural Emerald

Quick answer

As of October 2026, there are 66 natural emerald diamonds with I colour and SI2 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $975 SGD to $2,601 SGD, with a median of $1,428 SGD. At least 47 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 50%. Half of all listings fall between $1,450 SGD and $2,328 SGD per carat. The same specification in lab grown form lists at a median of about $1,079 SGD per carat. Over the last 30 days the median price moved -2.1% and the number of listings moved +5.9%.

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. Emerald natural stones in the index: 2,278 USD per carat, +6.2% 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

$575 SGD

Highest Price

$4,979 SGD

Average Price

$1,615 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

29.3%

Price Spread

50.0%

30-Day Price Trend

-2.1%

30-Day Supply Change

+5.9%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,370/ct

10th Percentile

$953

Median

$1,370

90th Percentile

$2,822

Score Distribution

201 diamonds scored across 4 quality tiers

Excellent

25 (12.4%)

Very Good

33 (16.4%)

Good

49 (24.4%)

Average

94 (46.8%)

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Consider Instead

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

J SI2J colour is visually identical to I to the naked eye

Save 12%

Lab-Grown I SI2Same specifications, lab-grown origin

Save 39%

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