Radiant|Lab Grown|IGI

1.57ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG729589868

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

Certificate IGI LG729589868

Diamond specifications and retailer prices

From $420 CAD

$301 USD

As of October 30, 2026

Save $4,315 CAD (91%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: $4,735 CAD at Brilliant Earth · As of October 28, 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 LG729589868 or 729589868. Listed at 27 retailers as of October 28, 2026, with prices from $420 to $4,735, a $4,315 spread on the same certified stone. Brilliant Earth lists it at $4,735. 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 angle39°

Pavilion angle33.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG729589868

Dimensions8.70 × 5.86 × 3.63 mm

L/W Ratio1.48

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 LG729589868

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 30

Current: $4,735 CAD|Low: $404 CAD|High: $4,735 CAD|Avg: $1,621 CAD

Brilliant Earth

Retailer 2

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October 30, 2026

Retailer 4$420 CAD

Retailer 24$488 CAD

Retailer 6$503 CAD

Retailer 3$521 CAD

Retailer 22$740 CAD

Retailer 23$769 CAD

Retailer 9$810 CAD

Retailer 15$887 CAD

Retailer 26$930 CAD

Retailer 21$988 CAD

Retailer 2$1,030 CAD

Retailer 16$1,124 CAD

Retailer 10$1,183 CAD

Retailer 17$1,303 CAD

Retailer 20$1,341 CAD

Retailer 7$1,601 CAD

Retailer 5$1,849 CAD

Retailer 12$2,003 CAD

Retailer 18$2,074 CAD

Retailer 11$2,111 CAD

Retailer 19$2,209 CAD

Retailer 13$2,317 CAD

Retailer 8$2,397 CAD

Retailer 25$3,436 CAD

Retailer 14$3,730 CAD

Brilliant Earth$4,735 CAD

34 data points across 26 retailers

27 retailers$420 CAD to $4,735 CAD

A+

Cheapest Retailer

$420 CAD

$301 USD

Retailer 2

$488 CAD

$349 USD

View

Retailer 3

$503 CAD

$360 USD

View

Final sale: no returns

Retailer 4

$521 CAD

$373 USD

View

Retailer 5

$740 CAD

$530 USD

View

Retailer 6

$769 CAD

HK$4,300 HKD

View

Retailer 7

$810 CAD

$580 USD

View

Retailer 8

$887 CAD

$635 USD

View

Retailer 9

$930 CAD

€634 EUR

View

Price last confirmed 7 days ago

Retailer 10

$988 CAD

ZAR 11,431 ZAR

View

Retailer 11

$1,030 CAD

£581 GBP

View

Retailer 12

$1,124 CAD

A$1,238 AUD

View

Retailer 13

$1,183 CAD

$847 USD

View

Retailer 14

$1,303 CAD

$933 USD

View

Retailer 15

$1,341 CAD

A$1,477 AUD

View

B+

Retailer 16

$1,601 CAD

$1,146 USD

View

B+

Retailer 17

$1,849 CAD

$1,324 USD

View

B+

Retailer 18

$2,003 CAD

$1,434 USD

View

B+

Retailer 19

$2,074 CAD

$1,484 USD

View

B+

Retailer 20

$2,111 CAD

$1,511 USD

View

B+

Retailer 21

$2,209 CAD

SGD 2,137 SGD

View

B+

Retailer 22

$2,317 CAD

£1,306 GBP

View

Retailer 23

$2,397 CAD

A$2,640 AUD

View

Price last confirmed 23 days ago

B+

Retailer 24

$3,436 CAD

$2,460 USD

View

Retailer 25

$3,465 CAD

$2,480 USD

View

Price last confirmed 102 days ago

Retailer 26

$3,730 CAD

$2,670 USD

View

Most Expensive

Brilliant Earth

16223276Y · Oct 28

$4,735 CAD

$3,390 USD

View

26 more retailers have this diamond

Prices start from $420 CADSave up to $4,315 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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