Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG790630196

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790630196

Diamond specifications and retailer prices

From $891 CAD

$638 USD

As of October 29, 2026

Save $4,180 CAD (82%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $5,071 CAD at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.57ct lab-grown marquise diamond

This 1.57ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790630196 or 790630196. Listed at 18 retailers as of October 29, 2026, with prices from $891 to $5,071, a $4,180 spread on the same certified stone. Brilliant Earth lists it at $5,071. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.8°

Pavilion angle39.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG790630196

Dimensions12.02 × 5.95 × 3.71 mm

L/W Ratio2.02

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 LG790630196

Side View

Caratlytics Score

How it works →

A+

Exceptional

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 29

Current: $5,071 CAD|Low: $891 CAD|High: $5,071 CAD|Avg: $2,222 CAD

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

October 30, 2026

Retailer 17$891 CAD

Retailer 16$1,173 CAD

Retailer 11$1,327 CAD

Retailer 2$1,396 CAD

Retailer 12$1,543 CAD

Retailer 6$1,641 CAD

Retailer 15$1,706 CAD

Retailer 5$1,706 CAD

Retailer 10$2,303 CAD

Retailer 9$2,474 CAD

Retailer 8$2,895 CAD

Retailer 4$3,005 CAD

Retailer 3$3,128 CAD

Retailer 14$3,203 CAD

Retailer 13$3,263 CAD

Retailer 7$4,332 CAD

Brilliant Earth$5,071 CAD

18 data points across 17 retailers

18 retailers$891 CAD to $5,071 CAD

A+

Cheapest Retailer

$891 CAD

$638 USD

Final sale: no returns

Retailer 2

$1,173 CAD

$840 USD

View

Retailer 3

$1,327 CAD

$950 USD

View

Retailer 4

$1,396 CAD

$999 USD

View

Retailer 5

$1,543 CAD

£870 GBP

View

Retailer 6

$1,641 CAD

$1,175 USD

View

Retailer 7

$1,706 CAD

€1,163 EUR

View

Retailer 8

$1,706 CAD

ZAR 19,729 ZAR

View

Retailer 9

$2,303 CAD

A$2,536 AUD

View

B+

Retailer 10

$2,474 CAD

$1,771 USD

View

B+

Retailer 11

$2,895 CAD

£1,632 GBP

View

B+

Retailer 12

$3,005 CAD

$2,151 USD

View

B+

Retailer 13

$3,128 CAD

SGD 3,026 SGD

View

B+

Retailer 14

$3,203 CAD

$2,293 USD

View

B+

Retailer 15

$3,263 CAD

$2,336 USD

View

B+

Retailer 16

$4,332 CAD

£2,442 GBP

View

Retailer 17

$4,984 CAD

A$5,489 AUD

View

Price last confirmed 22 days ago

Most Expensive

Brilliant Earth

19055469A · Oct 30

$5,071 CAD

$3,630 USD

View

17 more retailers have this diamond

Prices start from $891 CADSave up to $4,180 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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A+

1.57ct Marquise

$891 CAD