Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754507975

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754507975

Diamond specifications and retailer prices

From $936 CAD

$670 USD

As of October 30, 2026

Save $7,729 CAD (89%) vs most expensive(unlock to see where)

34 retailers carry this diamond

Most expensive: $8,664 CAD at Diamond Quarter · As of October 29, 2026

View at Diamond Quarter

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 LG754507975 or 754507975. Listed at 34 retailers as of October 29, 2026, with prices from $936 to $8,664, a $7,729 spread on the same certified stone. Diamond Quarter lists it at $8,664. 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 angle35.7°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG754507975

Dimensions12.46 × 5.86 × 3.72 mm

L/W Ratio2.13

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 LG754507975

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: $2,985 CAD|Low: $936 CAD|High: $8,423 CAD|Avg: $3,049 CAD|+0.1%

Retailer 1

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

Retailer 19

Retailer 20

Retailer 21

Retailer 22

Retailer 23

Retailer 24

October 31, 2026

Retailer 14$936 CAD

Retailer 3$1,182 CAD

Retailer 7$1,294 CAD

Retailer 16$1,299 CAD

Retailer 18$1,359 CAD

Retailer 24$1,428 CAD

Retailer 2$1,573 CAD

Retailer 23$1,809 CAD

Retailer 20$1,920 CAD

Retailer 19$1,924 CAD

Retailer 22$2,203 CAD

Retailer 6$2,774 CAD

Retailer 1$2,985 CAD

Retailer 13$3,059 CAD

Retailer 10$3,369 CAD

Retailer 9$3,703 CAD

Retailer 5$3,733 CAD

Retailer 15$3,779 CAD

Retailer 12$3,911 CAD

Retailer 8$4,289 CAD

Retailer 11$4,533 CAD

Retailer 21$4,731 CAD

Retailer 17$5,124 CAD

Retailer 4$8,312 CAD

33 data points across 24 retailers

34 retailers$936 CAD to $8,664 CAD

Cheapest Retailer

$936 CAD

$670 USD

Retailer 2

$948 CAD

$679 USD

View

Price last confirmed 23 days ago

Retailer 3

$948 CAD

$679 USD

View

Price last confirmed 31 days ago

Retailer 4

$1,032 CAD

$739 USD

View

Price last confirmed 32 days ago

Retailer 5

$1,085 CAD

$777 USD

View

Price last confirmed 32 days ago

Retailer 6

$1,101 CAD

$788 USD

View

Price last confirmed 28 days ago

Retailer 7

$1,101 CAD

$788 USD

View

Price last confirmed 20 days ago

Retailer 8

$1,182 CAD

$846 USD

View

Final sale: no returns

Retailer 9

$1,294 CAD

$926 USD

View

Retailer 10

$1,299 CAD

$930 USD

View

Retailer 11

$1,359 CAD

£766 GBP

View

Retailer 12

$1,428 CAD

$1,022 USD

View

Retailer 13

$1,573 CAD

HK$8,800 HKD

View

Retailer 14

$1,809 CAD

$1,295 USD

View

Retailer 15

$1,920 CAD

€1,309 EUR

View

Retailer 16

$1,924 CAD

£1,085 GBP

View

Retailer 17

$2,203 CAD

ZAR 25,480 ZAR

View

B+

Retailer 18

$2,774 CAD

$1,986 USD

View

B+

Retailer 19

$2,985 CAD

A$3,287 AUD

View

Retailer 20

$3,059 CAD

$2,190 USD

View

Price last confirmed 7 days ago

B+

Retailer 21

$3,369 CAD

$2,412 USD

View

Retailer 22

$3,417 CAD

$2,446 USD

View

Price last confirmed 21 days ago

Retailer 23

$3,417 CAD

$2,446 USD

View

Price last confirmed 30 days ago

B+

Retailer 24

$3,703 CAD

$2,651 USD

View

B+

Retailer 25

$3,733 CAD

$2,673 USD

View

B+

Retailer 26

$3,779 CAD

$2,705 USD

View

B+

Retailer 27

$3,911 CAD

$2,800 USD

View

Retailer 28

$3,916 CAD

$2,803 USD

View

Retailer 29

$4,289 CAD

$3,070 USD

View

Retailer 30

$4,533 CAD

SGD 4,385 SGD

View

B+

Retailer 31

$4,731 CAD

£2,667 GBP

View

Retailer 32

$5,124 CAD

A$5,643 AUD

View

Price last confirmed 22 days ago

Retailer 33

$8,312 CAD

$5,950 USD

View

Most Expensive

Diamond Quarter

1.57IFDLG18AED4N · Oct 29

$8,664 CAD

£4,884 GBP

View

33 more retailers have this diamond

Prices start from $936 CADSave up to $7,729 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.

Similar diamonds

1.57ct Marquise

$936 CAD