Heart|Lab Grown|IGI

1.57ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG528207699

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG528207699

Diamond specifications and retailer prices

From $337 CAD

$241 USD

As of October 27, 2026

Save $1,518 CAD (82%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $1,855 CAD at Reve Diamonds · As of October 28, 2026

View at Reve Diamonds

About this 1.57ct lab-grown heart diamond

This 1.57ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG528207699 or 528207699. Listed at 16 retailers as of October 27, 2026, with prices from $337 to $1,855, a $1,518 spread on the same certified stone. Reve Diamonds lists it at $1,855. 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

1.57

Carat

Color

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35°

Pavilion angle38.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG528207699

Dimensions8.11 × 6.90 × 4.63 mm

L/W Ratio1.18

Girdle conditionFaceted

Culet sizePointed

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG528207699

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: $791 CAD|Low: $325 CAD|High: $1,855 CAD|Avg: $842 CAD|+5.4%

Retailer 1

Retailer 2

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Retailer 5

Retailer 6

Retailer 7

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Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

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Retailer 16

Reve Diamonds

October 29, 2026

Retailer 13$337 CAD

Retailer 7$378 CAD

Retailer 16$392 CAD

Retailer 3$418 CAD

Retailer 14$418 CAD

Retailer 9$539 CAD

Retailer 2$563 CAD

Retailer 8$657 CAD

Retailer 6$698 CAD

Retailer 4$773 CAD

Retailer 1$791 CAD

Retailer 11$817 CAD

Retailer 15$1,346 CAD

Retailer 12$1,351 CAD

Retailer 5$1,419 CAD

Retailer 10$1,680 CAD

Reve Diamonds$1,855 CAD

38 data points across 17 retailers

16 retailers$337 CAD to $1,855 CAD

Cheapest Retailer

$337 CAD

$241 USD

Retailer 2

$378 CAD

$270 USD

View

Final sale: no returns

Retailer 3

$392 CAD

$280 USD

View

Retailer 4

$418 CAD

$299 USD

View

Retailer 5

$418 CAD

$299 USD

View

Retailer 6

$539 CAD

£303 GBP

View

B+

Retailer 7

$563 CAD

$402 USD

View

B+

Retailer 8

$698 CAD

$499 USD

View

B+

Retailer 9

$773 CAD

$552 USD

View

B+

Retailer 10

$791 CAD

£445 GBP

View

B+

Retailer 11

$817 CAD

A$898 AUD

View

Retailer 12

$1,346 CAD

$962 USD

View

Retailer 13

$1,351 CAD

$965 USD

View

Retailer 14

$1,419 CAD

$1,014 USD

View

Retailer 15

$1,680 CAD

£945 GBP

View

Most Expensive

Reve Diamonds

F23C86C3D · Oct 28

$1,855 CAD

$1,326 USD

View

15 more retailers have this diamond

Prices start from $337 CADSave up to $1,518 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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1.57ct Heart

$337 CAD