Marquise|Lab Grown|IGI

1.31ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG842609053

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842609053

Diamond specifications and retailer prices

From $565 CAD

$404 USD

As of October 27, 2026

Save $2,645 CAD (82%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $4,905 CAD at Brilliant Earth · As of October 26, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG842609053 or 842609053. Listed at 22 retailers as of October 27, 2026, with a 469% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31

Carat

Color

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.4°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG842609053

Dimensions11.20 × 5.78 × 3.60 mm

L/W Ratio1.94

Girdle conditionFaceted

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 LG842609053

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

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

Price History

Last verified: Oct 27

Current: $1,068 CAD|Low: $565 CAD|High: $3,542 CAD|Avg: $1,612 CAD|-0.1%

Retailer 1

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October 27, 2026

Retailer 7$565 CAD

Retailer 19$632 CAD

Retailer 3$700 CAD

Retailer 22$700 CAD

Retailer 10$710 CAD

Retailer 4$724 CAD

Retailer 6$908 CAD

Retailer 15$994 CAD

Retailer 1$1,068 CAD

Retailer 11$1,112 CAD

Retailer 16$1,115 CAD

Retailer 12$1,143 CAD

Retailer 18$1,183 CAD

Retailer 2$1,309 CAD

Retailer 5$1,530 CAD

Retailer 8$2,248 CAD

Retailer 13$2,298 CAD

Retailer 20$2,314 CAD

Retailer 14$2,567 CAD

Retailer 23$2,576 CAD

Retailer 17$2,737 CAD

Retailer 21$3,210 CAD

Retailer 9$3,542 CAD

16 data points across 23 retailers

22 retailers$565 CAD to $3,210 CAD

Cheapest Retailer

$565 CAD

$404 USD

Retailer 2

$632 CAD

$452 USD

View

Price last confirmed 9 days ago

Retailer 3

$700 CAD

$501 USD

View

Price last confirmed 8 days ago

Retailer 4

$700 CAD

$501 USD

View

Price last confirmed 8 days ago

Retailer 5

$908 CAD

$650 USD

View

Price last confirmed 6 days ago

Retailer 6

$994 CAD

$711 USD

View

Price last confirmed 7 days ago

Retailer 7

$1,068 CAD

€728 EUR

View

Retailer 8

$1,112 CAD

$796 USD

View

Price last confirmed 8 days ago

Retailer 9

$1,115 CAD

$798 USD

View

Price last confirmed 8 days ago

Retailer 10

$1,143 CAD

£644 GBP

View

Retailer 11

$1,183 CAD

ZAR 13,679 ZAR

View

Price last confirmed 10 days ago

Retailer 12

$1,309 CAD

$937 USD

View

Retailer 13

$1,530 CAD

$1,095 USD

View

Price last confirmed 10 days ago

Retailer 14

$2,248 CAD

$1,609 USD

View

Price last confirmed 8 days ago

B+

Retailer 15

$2,298 CAD

$1,645 USD

View

B+

Retailer 16

$2,314 CAD

View

B+

Retailer 17

$2,567 CAD

$1,837 USD

View

Retailer 18

$2,576 CAD

$1,844 USD

View

Price last confirmed 9 days ago

B+

Retailer 19

$2,737 CAD

£1,542 GBP

View

Retailer 20

$3,210 CAD

$2,297 USD

View

Retailer 21

$3,542 CAD

$2,535 USD

View

Price last confirmed 12 days ago

Most Expensive

Brilliant Earth

22269299A · Oct 26

$4,905 CAD

$3,510 USD

View

Price last confirmed 7 days ago

21 more retailers have this diamond

Prices start from $565 CADSave up to $2,645 CAD

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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