Marquise|Lab Grown|IGI

1.31ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG801682744

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801682744

Diamond specifications and retailer prices

From $560 AUD

€374 EUR

As of October 27, 2026

Save $1,337 AUD (70%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $1,898 AUD at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 1.31ct lab-grown marquise diamond

This 1.31ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG801682744 or 801682744. Listed at 16 retailers as of October 27, 2026, with prices from $560 to $1,898, a $1,337 spread on the same certified stone. Brilliant Earth lists it at $1,898. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishVery Good

SymmetryVery Good

FluorescenceNone

Crown angle32.4°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG801682744

Dimensions11.67 × 5.57 × 3.55 mm

L/W Ratio2.10

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishVery Good

SymmetryVery Good

FluorescenceNone

CertificateIGI LG801682744

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: Oct 27

Current: $1,898 AUD|Low: $300 AUD|High: $2,040 AUD|Avg: $927 AUD|-7.0%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 27, 2026

Retailer 11$300 AUD

Retailer 6$560 AUD

Retailer 2$572 AUD

Retailer 5$601 AUD

Retailer 10$712 AUD

Retailer 8$798 AUD

Retailer 3$826 AUD

Retailer 4$1,084 AUD

Retailer 12$1,148 AUD

Retailer 7$1,558 AUD

Retailer 9$1,650 AUD

Brilliant Earth$1,898 AUD

33 data points across 12 retailers

16 retailers$560 AUD to $1,898 AUD

Retailer 1

$294 AUD

$206 USD

Price last confirmed 25 days ago

Retailer 2

$341 AUD

$239 USD

View

Price last confirmed 19 days ago

Retailer 3

$365 AUD

$256 USD

View

Price last confirmed 31 days ago

Retailer 4

$560 AUD

€374 EUR

View

Retailer 5

$572 AUD

ZAR 6,475 ZAR

View

Retailer 6

$601 AUD

£332 GBP

View

Price last confirmed 7 days ago

Retailer 7

$712 AUD

$499 USD

View

Retailer 8

$798 AUD

$559 USD

View

Price last confirmed 7 days ago

Retailer 9

$826 AUD

$579 USD

View

Price last confirmed 8 days ago

B+

Retailer 10

$1,084 AUD

$760 USD

View

Retailer 11

$1,148 AUD

$804 USD

View

Retailer 12

$1,174 AUD

$823 USD

View

Price last confirmed 33 days ago

Retailer 13

$1,558 AUD

£860 GBP

View

Price last confirmed 7 days ago

Retailer 14

$1,650 AUD

$1,156 USD

View

Price last confirmed 9 days ago

Retailer 15

$1,898 AUD

$1,330 USD

View

Price last confirmed 12 days ago

Most Expensive

Brilliant Earth

20576385A · Oct 28

$1,898 AUD

$1,330 USD

View

15 more retailers have this diamond

Prices start from $560 AUDSave up to $1,337 AUD

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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1.31ct Marquise

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