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 HK$15,443 HKD

A$3,028 AUD

As of November 2, 2026

14 retailers carry this diamond

Most expensive: HK$40,094 HKD 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: HK$40,094 HKD|Low: HK$9,525 HKD|High: HK$41,349 HKD|Avg: HK$21,847 HKD|-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 5HK$9,525 HKD

Retailer 4HK$11,251 HKD

Retailer 2HK$15,443 HKD

Retailer 11HK$15,871 HKD

Retailer 12HK$16,006 HKD

Retailer 9HK$16,979 HKD

Retailer 10HK$17,693 HKD

Retailer 7HK$19,287 HKD

Retailer 3HK$26,755 HKD

Retailer 6HK$27,497 HKD

Retailer 14HK$29,792 HKD

Retailer 8HK$34,268 HKD

Retailer 13HK$37,250 HKD

Brilliant EarthHK$40,094 HKD

30 data points across 14 retailers

14 retailers

Retailer 1

HK$9,525 HKD

$1,214 USD

Price last confirmed 14 days ago

Retailer 2

HK$11,251 HKD

$1,434 USD

View

Price last confirmed 14 days ago

Retailer 3

HK$13,558 HKD

View

Price last confirmed 15 days ago

B+

Retailer 4

HK$15,443 HKD

A$3,028 AUD

View

Retailer 5

HK$15,870 HKD

£1,593 GBP

View

Price last confirmed 18 days ago

Retailer 6

HK$15,871 HKD

£1,593 GBP

View

Price last confirmed 15 days ago

Retailer 7

HK$16,006 HKD

$2,040 USD

View

Price last confirmed 15 days ago

Retailer 8

HK$19,287 HKD

ZAR 39,712 ZAR

View

Price last confirmed 14 days ago

Retailer 9

HK$27,497 HKD

$3,505 USD

View

Price last confirmed 18 days ago

Retailer 10

HK$29,792 HKD

$3,797 USD

View

Price last confirmed 15 days ago

Retailer 11

HK$34,268 HKD

£3,439 GBP

View

Price last confirmed 14 days ago

Retailer 12

HK$37,250 HKD

A$7,304 AUD

View

Price last confirmed 28 days ago

Retailer 13

HK$37,683 HKD

$4,803 USD

View

Price last confirmed 15 days ago

Most Expensive

Brilliant Earth

18939168Y · Oct 18

HK$40,094 HKD

$5,110 USD

View

Price last confirmed 15 days ago

13 more retailers have this diamond

Prices start from HK$15,443 HKD

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.

Similar diamonds

B+

1.77ct Marquise

HK$15,443 HKD