Marquise|Lab Grown|IGI

1.09ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG792663045

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG792663045

Diamond specifications and retailer prices

From $226 CAD

$162 USD

As of October 24, 2026

Save $909 CAD (80%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $1,135 CAD at MOH London · As of October 26, 2026

View at MOH London

About this 1.09ct lab-grown marquise diamond

This 1.09ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG792663045 or 792663045. Listed at 17 retailers as of October 24, 2026, with prices from $226 to $1,135, a $909 spread on the same certified stone. MOH London lists it at $1,135. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.09

Carat

Color

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishVery Good

SymmetryVery Good

FluorescenceNone

Crown angle35.8°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG792663045

Dimensions10.27 × 5.50 × 3.38 mm

L/W Ratio1.87

Girdle conditionFaceted

Culet sizePointed

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 LG792663045

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 24

Current: $1,135 CAD|Low: $193 CAD|High: $1,341 CAD|Avg: $559 CAD|-3.3%

MOH London

Retailer 2

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Retailer 17

October 30, 2026

Retailer 9$196 CAD

Retailer 7$217 CAD

Retailer 5$226 CAD

Retailer 4$243 CAD

Retailer 15$316 CAD

Retailer 11$412 CAD

Retailer 10$419 CAD

Retailer 3$453 CAD

Retailer 13$468 CAD

Retailer 12$521 CAD

Retailer 6$589 CAD

Retailer 17$609 CAD

Retailer 8$670 CAD

Retailer 14$747 CAD

Retailer 16$779 CAD

Retailer 2$894 CAD

MOH London$1,135 CAD

42 data points across 17 retailers

17 retailers$226 CAD to $1,135 CAD

Retailer 1

$196 CAD

$140 USD

Price last confirmed 8 days ago

Retailer 2

$226 CAD

$162 USD

View

Retailer 3

$243 CAD

$174 USD

View

Retailer 4

$286 CAD

HK$1,600 HKD

View

Retailer 5

$316 CAD

£178 GBP

View

Price last confirmed 14 days ago

Retailer 6

$412 CAD

£232 GBP

View

Retailer 7

$419 CAD

€286 EUR

View

B+

Retailer 8

$453 CAD

$324 USD

View

B+

Retailer 9

$468 CAD

$335 USD

View

B+

Retailer 10

$521 CAD

£293 GBP

View

B+

Retailer 11

$589 CAD

$422 USD

View

B+

Retailer 12

$609 CAD

$436 USD

View

B+

Retailer 13

$670 CAD

SGD 648 SGD

View

B+

Retailer 14

$747 CAD

$535 USD

View

B+

Retailer 15

$779 CAD

$558 USD

View

Retailer 16

$894 CAD

$640 USD

View

Most Expensive

MOH London

LG792663045 · Oct 26

$1,135 CAD

£640 GBP

View

16 more retailers have this diamond

Prices start from $226 CADSave up to $909 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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