Marquise|Lab Grown|IGI

1.77ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG762545098

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762545098

Diamond specifications and retailer prices

From $2,517 SGD

A$3,028 AUD

As of November 2, 2026

14 retailers carry this diamond

Most expensive: $6,535 SGD at Brilliant Earth · As of October 18, 2026

View at Brilliant Earth

About this 1.77ct lab-grown marquise diamond

This 1.77ct 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 LG762545098 or 762545098. Listed at 14 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

1.77

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.8°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG762545098

Dimensions12.39 × 6.35 × 3.97 mm

L/W Ratio1.95

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG762545098

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

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

Price History

Last verified: Nov 2

Current: $6,535 SGD|Low: $1,553 SGD|High: $6,740 SGD|Avg: $3,561 SGD|-3.0%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

October 26, 2026

Retailer 5$1,553 SGD

Retailer 4$1,834 SGD

Retailer 2$2,517 SGD

Retailer 11$2,587 SGD

Retailer 12$2,609 SGD

Retailer 9$2,768 SGD

Retailer 10$2,884 SGD

Retailer 7$3,144 SGD

Retailer 3$4,361 SGD

Retailer 6$4,482 SGD

Retailer 14$4,856 SGD

Retailer 8$5,586 SGD

Retailer 13$6,072 SGD

Brilliant Earth$6,535 SGD

30 data points across 14 retailers

14 retailers

Retailer 1

$1,553 SGD

$1,214 USD

Price last confirmed 14 days ago

Retailer 2

$1,834 SGD

$1,434 USD

View

Price last confirmed 14 days ago

Retailer 3

$2,210 SGD

HK$13,500 HKD

View

Price last confirmed 15 days ago

B+

Retailer 4

$2,517 SGD

A$3,028 AUD

View

Retailer 5

$2,587 SGD

£1,593 GBP

View

Price last confirmed 18 days ago

Retailer 6

$2,587 SGD

£1,593 GBP

View

Price last confirmed 15 days ago

Retailer 7

$2,609 SGD

$2,040 USD

View

Price last confirmed 15 days ago

Retailer 8

$3,144 SGD

ZAR 39,712 ZAR

View

Price last confirmed 14 days ago

Retailer 9

$4,482 SGD

$3,505 USD

View

Price last confirmed 18 days ago

Retailer 10

$4,856 SGD

$3,797 USD

View

Price last confirmed 15 days ago

Retailer 11

$5,586 SGD

£3,439 GBP

View

Price last confirmed 14 days ago

Retailer 12

$6,072 SGD

A$7,304 AUD

View

Price last confirmed 28 days ago

Retailer 13

$6,142 SGD

$4,803 USD

View

Price last confirmed 15 days ago

Most Expensive

Brilliant Earth

18939168Y · Oct 18

$6,535 SGD

$5,110 USD

View

Price last confirmed 15 days ago

13 more retailers have this diamond

Prices start from $2,517 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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B+

1.77ct Marquise

$2,517 SGD