Radiant|Lab Grown|IGI

1.57ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG613379389

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG613379389

Diamond specifications and retailer prices

From $446 CAD

$319 USD

As of October 30, 2026

Save $3,675 CAD (89%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: $4,121 CAD at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.57ct lab-grown radiant diamond

This 1.57ct lab-grown radiant 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 LG613379389 or 613379389. Listed at 29 retailers as of October 30, 2026, with prices from $446 to $4,121, a $3,675 spread on the same certified stone. Brilliant Earth lists it at $4,121. 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 angle35°

Pavilion angle34.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG613379389

Dimensions8.14 × 5.83 × 3.95 mm

L/W Ratio1.40

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 LG613379389

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: $4,121 CAD|Low: $446 CAD|High: $4,903 CAD|Avg: $1,517 CAD|-16.0%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

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Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

Retailer 18

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Retailer 20

Retailer 21

October 30, 2026

Retailer 3$446 CAD

Retailer 13$499 CAD

Retailer 10$644 CAD

Retailer 4$779 CAD

Retailer 18$782 CAD

Retailer 20$895 CAD

Retailer 8$915 CAD

Retailer 17$949 CAD

Retailer 15$985 CAD

Retailer 9$1,245 CAD

Retailer 16$1,287 CAD

Retailer 5$1,521 CAD

Retailer 21$1,619 CAD

Retailer 11$1,838 CAD

Retailer 14$1,838 CAD

Retailer 12$1,852 CAD

Retailer 7$2,123 CAD

Retailer 6$2,197 CAD

Retailer 19$2,216 CAD

Retailer 2$2,347 CAD

Brilliant Earth$4,121 CAD

34 data points across 21 retailers

29 retailers$446 CAD to $4,121 CAD

Cheapest Retailer

$446 CAD

$319 USD

Retailer 2

$446 CAD

$319 USD

View

Price last confirmed 22 days ago

Retailer 3

$464 CAD

$332 USD

View

Price last confirmed 30 days ago

Retailer 4

$499 CAD

$357 USD

View

Final sale: no returns

Retailer 5

$538 CAD

$385 USD

View

Price last confirmed 33 days ago

Retailer 6

$552 CAD

$395 USD

View

Price last confirmed 27 days ago

Retailer 7

$567 CAD

$406 USD

View

Price last confirmed 32 days ago

Retailer 8

$644 CAD

HK$3,600 HKD

View

Retailer 9

$779 CAD

$558 USD

View

Retailer 10

$782 CAD

$560 USD

View

Retailer 11

$895 CAD

€610 EUR

View

Price last confirmed 7 days ago

Retailer 12

$915 CAD

$655 USD

View

Retailer 13

$949 CAD

ZAR 10,972 ZAR

View

Retailer 14

$985 CAD

£555 GBP

View

Retailer 15

$1,245 CAD

$891 USD

View

Retailer 16

$1,287 CAD

A$1,417 AUD

View

B+

Retailer 17

$1,521 CAD

$1,089 USD

View

B+

Retailer 18

$1,619 CAD

$1,159 USD

View

Retailer 19

$1,775 CAD

$1,271 USD

View

Price last confirmed 20 days ago

B+

Retailer 20

$1,775 CAD

$1,271 USD

View

B+

Retailer 21

$1,838 CAD

$1,316 USD

View

B+

Retailer 22

$1,838 CAD

$1,316 USD

View

Retailer 23

$1,849 CAD

$1,324 USD

View

Price last confirmed 30 days ago

B+

Retailer 24

$1,852 CAD

SGD 1,792 SGD

View

B+

Retailer 25

$2,123 CAD

$1,520 USD

View

B+

Retailer 26

$2,197 CAD

$1,573 USD

View

B+

Retailer 27

$2,216 CAD

£1,249 GBP

View

B+

Retailer 28

$2,347 CAD

A$2,585 AUD

View

Most Expensive

Brilliant Earth

8881666A · Oct 30

$4,121 CAD

$2,950 USD

View

28 more retailers have this diamond

Prices start from $446 CADSave up to $3,675 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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