How much does a 1.00 to 1.49ct D IF lab grown marquise diamond cost?

As of October 2026, 1.00 to 1.49ct D IF lab grown marquise diamonds typically cost $317 SGD to $2,407 SGD, with a median price of $739 SGD. There are currently 1,522 diamonds matching this specification available across retailers.

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

About 38% of these diamonds are available at multiple retailers, with an average price spread of 115%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D IF Lab Grown Marquise

Quick answer

As of October 2026, there are 1,522 lab grown marquise diamonds with D colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $317 SGD to $2,407 SGD, with a median of $739 SGD. At least 53 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 115%. Half of all listings fall between $546 SGD and $1,459 SGD per carat. The same specification in natural form lists at a median of about $12,165 SGD per carat. Over the last 30 days the median price moved -23.8% and the number of listings moved +27.5%.

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. Marquise lab grown stones in the index: 485 USD per carat, -3.2% 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

1,522

Lowest Price

$256 SGD

Highest Price

$7,808 SGD

Average Price

$1,029 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

37.6%

Price Spread

114.6%

30-Day Price Trend

-23.8%

30-Day Supply Change

+27.5%

Volatility (30d)

0.09

Price Range

Price per carat distribution across retailers

$621/ct

10th Percentile

$273

Median

$621

90th Percentile

$1,481

Score Distribution

4.4K diamonds scored across 5 quality tiers

Exceptional

92 (2.1%)

Excellent

1,576 (36.0%)

Very Good

1,220 (27.8%)

Good

1,006 (23.0%)

Average

488 (11.1%)

Find Your Diamond

Search 1,522 D 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.

D VVS1VVS1 inclusions are not visible without magnification

Save 18%

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