Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG758554058

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG758554058

Diamond specifications and retailer prices

From $721 CAD

$516 USD

As of October 30, 2026

Save $3,232 CAD (82%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $3,953 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 LG758554058 or 758554058. Listed at 26 retailers as of October 30, 2026, with prices from $721 to $3,953, a $3,232 spread on the same certified stone. Brilliant Earth lists it at $3,953. 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

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.4°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG758554058

Dimensions11.59 × 6.00 × 3.87 mm

L/W Ratio1.93

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG758554058

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: $3,953 CAD|Low: $721 CAD|High: $5,155 CAD|Avg: $1,994 CAD|-23.3%

Brilliant Earth

Retailer 2

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Retailer 21

October 31, 2026

Retailer 16$721 CAD

Retailer 7$806 CAD

Retailer 18$894 CAD

Retailer 14$915 CAD

Retailer 17$948 CAD

Retailer 13$964 CAD

Retailer 8$1,199 CAD

Retailer 21$1,206 CAD

Retailer 2$1,385 CAD

Retailer 19$1,534 CAD

Retailer 5$1,537 CAD

Retailer 4$1,613 CAD

Retailer 15$2,082 CAD

Retailer 11$2,098 CAD

Retailer 3$2,351 CAD

Retailer 10$2,597 CAD

Retailer 6$2,908 CAD

Retailer 9$3,077 CAD

Retailer 12$3,330 CAD

Retailer 20$3,752 CAD

Brilliant Earth$3,953 CAD

24 data points across 21 retailers

26 retailers$721 CAD to $3,953 CAD

Cheapest Retailer

$721 CAD

$516 USD

Retailer 2

$784 CAD

$561 USD

View

Price last confirmed 24 days ago

Retailer 3

$806 CAD

$577 USD

View

Final sale: no returns

Retailer 4

$879 CAD

$629 USD

View

Price last confirmed 33 days ago

Retailer 5

$894 CAD

$640 USD

View

Retailer 6

$915 CAD

$655 USD

View

Price last confirmed 15 days ago

Retailer 7

$915 CAD

$655 USD

View

Price last confirmed 23 days ago

Retailer 8

$948 CAD

£535 GBP

View

Retailer 9

$964 CAD

$690 USD

View

Retailer 10

$1,091 CAD

HK$6,100 HKD

View

Price last confirmed 58 days ago

Retailer 11

$1,199 CAD

$858 USD

View

Retailer 12

$1,206 CAD

$863 USD

View

Retailer 13

$1,385 CAD

£781 GBP

View

Retailer 14

$1,534 CAD

€1,046 EUR

View

Retailer 15

$1,537 CAD

ZAR 17,771 ZAR

View

Retailer 16

$1,613 CAD

$1,155 USD

View

Retailer 17

$2,082 CAD

A$2,293 AUD

View

B+

Retailer 18

$2,098 CAD

$1,502 USD

View

Retailer 19

$2,351 CAD

$1,683 USD

View

Retailer 20

$2,556 CAD

$1,830 USD

View

Price last confirmed 31 days ago

B+

Retailer 21

$2,597 CAD

£1,464 GBP

View

B+

Retailer 22

$2,908 CAD

$2,082 USD

View

B+

Retailer 23

$3,077 CAD

$2,203 USD

View

B+

Retailer 24

$3,330 CAD

$2,384 USD

View

B+

Retailer 25

$3,752 CAD

£2,115 GBP

View

Most Expensive

Brilliant Earth

18182307A · Oct 30

$3,953 CAD

$2,830 USD

View

25 more retailers have this diamond

Prices start from $721 CADSave up to $3,232 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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