How much does a 1.00 to 1.49ct E IF natural marquise diamond cost?

As of November 2026, 1.00 to 1.49ct E IF natural marquise diamonds typically cost $7,666 AUD to $18,358 AUD, with a median price of $10,872 AUD. There are currently 35 diamonds matching this specification available across retailers.

Where can I find the best price on a E IF marquise diamond?

About 34% of these diamonds are available at multiple retailers, with an average price spread of 39%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct E IF Natural Marquise

Quick answer

As of November 2026, there are 35 natural marquise diamonds with E colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $7,666 AUD to $18,358 AUD, with a median of $10,872 AUD. At least 61 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 39%. Half of all listings fall between $10,148 AUD and $14,927 AUD per carat. The same specification in lab grown form lists at a median of about $1,062 AUD per carat. Over the last 30 days the median price moved +1.6% and the number of listings moved +10.6%.

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. Marquise natural stones in the index: 2,177 USD per carat, -4.2% 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: November 2026

Available

Lowest Price

$6,192 AUD

Highest Price

$26,602 AUD

Average Price

$12,050 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

33.8%

Price Spread

39.2%

30-Day Price Trend

+1.6%

30-Day Supply Change

+10.6%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$8,541/ct

10th Percentile

$5,995

Median

$8,541

90th Percentile

$12,812

Score Distribution

80 diamonds scored across 5 quality tiers

Exceptional

2 (2.5%)

Excellent

26 (32.5%)

Very Good

27 (33.8%)

Good

11 (13.8%)

Average

14 (17.5%)

Find Your Diamond

Search 35 E IF marquise diamonds and compare prices.

Search Diamonds

Consider Instead

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

F IFF colour is visually identical to E to the naked eye

Save 24%

E VVS1VVS1 inclusions are not visible without magnification

Save 7%

Lab-Grown E IFSame specifications, lab-grown origin

Save 93%

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