Heart|Lab Grown|IGI

1.09ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG831648646

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831648646

Diamond specifications and retailer prices

From $304 CAD

HK$1,700 HKD

As of October 30, 2026

Save $938 CAD (76%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: $1,242 CAD at MOH London · As of October 26, 2026

View at MOH London

About this 1.09ct lab-grown heart diamond

This 1.09ct lab-grown heart 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 LG831648646 or 831648646. Listed at 15 retailers as of October 26, 2026, with prices from $304 to $1,242, a $938 spread on the same certified stone. MOH London lists it at $1,242. 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

Ideal

Cut

Specifications

CutIdeal

PolishVery Good

SymmetryVery Good

FluorescenceNone

Crown angle35.2°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG831648646

Dimensions7.27 × 6.68 × 4.04 mm

L/W Ratio1.09

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

CutIdeal

PolishVery Good

SymmetryVery Good

FluorescenceNone

CertificateIGI LG831648646

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 30

Current: $1,242 CAD|Low: $239 CAD|High: $1,383 CAD|Avg: $667 CAD|-2.1%

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

October 30, 2026

Retailer 10$239 CAD

Retailer 5$345 CAD

Retailer 4$453 CAD

Retailer 6$460 CAD

Retailer 3$475 CAD

Retailer 9$483 CAD

Retailer 7$570 CAD

Retailer 8$684 CAD

Retailer 11$731 CAD

Retailer 2$852 CAD

MOH London$1,242 CAD

41 data points across 11 retailers

15 retailers$304 CAD to $1,242 CAD

Retailer 1

$214 CAD

$153 USD

Price last confirmed 13 days ago

Retailer 2

$249 CAD

$178 USD

View

Price last confirmed 15 days ago

Retailer 3

$265 CAD

$190 USD

View

Price last confirmed 15 days ago

Retailer 4

$304 CAD

HK$1,700 HKD

View

Retailer 5

$345 CAD

£194 GBP

View

B+

Retailer 6

$453 CAD

€309 EUR

View

B+

Retailer 7

$460 CAD

£259 GBP

View

B+

Retailer 8

$475 CAD

$340 USD

View

B+

Retailer 9

$483 CAD

$346 USD

View

B+

Retailer 10

$570 CAD

£321 GBP

View

Retailer 11

$684 CAD

$490 USD

View

Retailer 12

$731 CAD

SGD 707 SGD

View

Retailer 13

$852 CAD

$610 USD

View

Retailer 14

$852 CAD

$610 USD

View

Price last confirmed 14 days ago

Most Expensive

MOH London

LG831648646 · Oct 26

$1,242 CAD

£700 GBP

View

14 more retailers have this diamond

Prices start from $304 CADSave up to $938 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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