Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG615345318

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG615345318

Diamond specifications and retailer prices

From $1,810 SGD

A$2,178 AUD

As of November 2, 2026

20 retailers carry this diamond

Most expensive: $4,679 SGD at Brilliant Earth · As of October 12, 2026

View at Brilliant Earth

About this 1.57ct lab-grown marquise diamond

This 1.57ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG615345318 or 615345318. Listed at 20 retailers as of November 2, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.9°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG615345318

Dimensions12.68 × 5.93 × 3.69 mm

L/W Ratio2.14

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG615345318

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2

Current: $4,679 SGD|Low: $776 SGD|High: $6,891 SGD|Avg: $2,326 SGD|-1.6%

Brilliant Earth

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October 29, 2026

Retailer 21$776 SGD

Retailer 18$945 SGD

Retailer 24$961 SGD

Retailer 16$975 SGD

Retailer 9$1,166 SGD

Retailer 13$1,170 SGD

Retailer 25$1,232 SGD

Retailer 17$1,456 SGD

Retailer 15$1,498 SGD

Retailer 20$1,591 SGD

Retailer 23$1,623 SGD

Retailer 2$1,810 SGD

Retailer 4$1,813 SGD

Retailer 3$2,297 SGD

Retailer 10$2,526 SGD

Retailer 19$2,772 SGD

Retailer 26$2,792 SGD

Retailer 8$3,068 SGD

Retailer 14$3,078 SGD

Retailer 5$3,161 SGD

Retailer 7$3,570 SGD

Retailer 12$3,784 SGD

Retailer 22$4,233 SGD

Retailer 11$4,607 SGD

Brilliant Earth$4,679 SGD

Retailer 6$6,891 SGD

30 data points across 26 retailers

20 retailers

Retailer 1

$776 SGD

$607 USD

Price last confirmed 22 days ago

Retailer 2

$945 SGD

$739 USD

View

Price last confirmed 34 days ago

Retailer 3

$961 SGD

$752 USD

View

Price last confirmed 22 days ago

Retailer 4

$1,456 SGD

HK$8,900 HKD

View

Price last confirmed 30 days ago

Retailer 5

$1,498 SGD

$1,172 USD

View

Price last confirmed 21 days ago

Retailer 6

$1,591 SGD

£980 GBP

View

Price last confirmed 20 days ago

Retailer 7

$1,810 SGD

A$2,178 AUD

View

Retailer 8

$1,813 SGD

ZAR 22,916 ZAR

View

Price last confirmed 24 days ago

Retailer 9

$2,297 SGD

$1,797 USD

View

Price last confirmed 20 days ago

Retailer 10

$2,526 SGD

$1,976 USD

View

Price last confirmed 20 days ago

Retailer 11

$2,772 SGD

A$3,336 AUD

View

Price last confirmed 34 days ago

Retailer 12

$2,792 SGD

$2,184 USD

View

Price last confirmed 23 days ago

Retailer 13

$3,068 SGD

$2,400 USD

View

Price last confirmed 22 days ago

Retailer 14

$3,078 SGD

£1,896 GBP

View

Price last confirmed 25 days ago

Retailer 15

$3,161 SGD

$2,473 USD

View

Price last confirmed 22 days ago

Retailer 16

$3,570 SGD

$2,792 USD

View

Price last confirmed 20 days ago

Retailer 17

$3,784 SGD

View

Price last confirmed 21 days ago

Retailer 18

$4,233 SGD

£2,607 GBP

View

Price last confirmed 22 days ago

Retailer 19

$4,607 SGD

A$5,544 AUD

View

Price last confirmed 25 days ago

Most Expensive

Brilliant Earth

16161667Y · Oct 12

$4,679 SGD

$3,660 USD

View

Price last confirmed 20 days ago

19 more retailers have this diamond

Prices start from $1,810 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

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