Heart|Lab Grown|IGI

4.02ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG670428266

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG670428266

Diamond specifications and retailer prices

From $683 CAD

£385 GBP

As of October 27, 2026

Save $3,759 CAD (85%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $4,442 CAD at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 4.02ct lab-grown heart diamond

This 4.02ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG670428266 or 670428266. Listed at 17 retailers as of October 27, 2026, with prices from $683 to $4,442, a $3,759 spread on the same certified stone. Brilliant Earth lists it at $4,442. 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

4.02

Carat

Color

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.6°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG670428266

Dimensions10.10 × 11.06 × 6.49 mm

L/W Ratio1.10

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG670428266

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: $4,442 CAD|Low: $640 CAD|High: $8,381 CAD|Avg: $1,842 CAD|-47.0%

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

Retailer 15

Retailer 16

Retailer 17

Retailer 18

October 30, 2026

Retailer 3$658 CAD

Retailer 12$683 CAD

Retailer 10$735 CAD

Retailer 17$736 CAD

Retailer 4$816 CAD

Retailer 2$876 CAD

Retailer 16$1,013 CAD

Retailer 11$1,200 CAD

Retailer 6$1,275 CAD

Retailer 9$1,284 CAD

Retailer 13$1,345 CAD

Retailer 15$1,832 CAD

Retailer 5$1,904 CAD

Retailer 7$1,947 CAD

Retailer 8$2,583 CAD

Retailer 18$2,622 CAD

Retailer 14$3,000 CAD

Brilliant Earth$4,442 CAD

28 data points across 18 retailers

17 retailers$683 CAD to $4,442 CAD

Retailer 1

$658 CAD

$471 USD

Price last confirmed 7 days ago

Retailer 2

$683 CAD

£385 GBP

View

Retailer 3

$736 CAD

$527 USD

View

Retailer 4

$816 CAD

$584 USD

View

Retailer 5

$876 CAD

HK$4,900 HKD

View

Retailer 6

$1,013 CAD

$725 USD

View

B+

Retailer 7

$1,200 CAD

€818 EUR

View

B+

Retailer 8

$1,275 CAD

$913 USD

View

B+

Retailer 9

$1,284 CAD

$919 USD

View

B+

Retailer 10

$1,345 CAD

£758 GBP

View

B+

Retailer 11

$1,832 CAD

A$2,018 AUD

View

Retailer 12

$1,904 CAD

$1,363 USD

View

Retailer 13

$1,947 CAD

$1,394 USD

View

Retailer 14

$2,583 CAD

SGD 2,499 SGD

View

Retailer 15

$2,622 CAD

$1,877 USD

View

Retailer 16

$3,000 CAD

£1,691 GBP

View

Most Expensive

Brilliant Earth

14415188A · Oct 30

$4,442 CAD

$3,180 USD

View

16 more retailers have this diamond

Prices start from $683 CADSave up to $3,759 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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4.02ct Heart

$683 CAD