Radiant|Lab Grown|IGI

1.57ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG625472025

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

Certificate IGI LG625472025

Diamond specifications and retailer prices

From $404 CAD

$289 USD

As of October 30, 2026

Save $4,066 CAD (91%) vs most expensive(unlock to see where)

31 retailers carry this diamond

Most expensive: $4,470 CAD at Diamond Quarter · As of October 29, 2026

View at Diamond Quarter

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 LG625472025 or 625472025. Listed at 31 retailers as of October 29, 2026, with prices from $404 to $4,470, a $4,066 spread on the same certified stone. Diamond Quarter lists it at $4,470. 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 angle32.8°

Pavilion angle33.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG625472025

Dimensions8.57 × 5.78 × 3.76 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 LG625472025

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: $2,347 CAD|Low: $404 CAD|High: $4,735 CAD|Avg: $1,665 CAD|-0.8%

Retailer 1

Retailer 2

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Retailer 4

Retailer 5

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Retailer 7

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Retailer 15

Retailer 16

Retailer 17

Retailer 18

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Retailer 21

October 30, 2026

Retailer 3$404 CAD

Retailer 21$481 CAD

Retailer 18$712 CAD

Retailer 11$733 CAD

Retailer 4$779 CAD

Retailer 9$867 CAD

Retailer 19$895 CAD

Retailer 17$949 CAD

Retailer 15$985 CAD

Retailer 5$1,180 CAD

Retailer 10$1,245 CAD

Retailer 2$1,537 CAD

Retailer 7$1,924 CAD

Retailer 13$2,001 CAD

Retailer 6$2,058 CAD

Retailer 14$2,137 CAD

Retailer 16$2,225 CAD

Retailer 1$2,347 CAD

Retailer 8$3,576 CAD

Retailer 20$3,590 CAD

Retailer 12$4,107 CAD

37 data points across 21 retailers

31 retailers$404 CAD to $4,470 CAD

Cheapest Retailer

$404 CAD

$289 USD

Retailer 2

$404 CAD

$289 USD

View

Price last confirmed 22 days ago

Retailer 3

$420 CAD

$301 USD

View

Price last confirmed 31 days ago

Retailer 4

$481 CAD

$344 USD

View

Final sale: no returns

Retailer 5

$488 CAD

$349 USD

View

Price last confirmed 33 days ago

Retailer 6

$500 CAD

$358 USD

View

Price last confirmed 27 days ago

Retailer 7

$514 CAD

$368 USD

View

Price last confirmed 32 days ago

Retailer 8

$712 CAD

$510 USD

View

Retailer 9

$733 CAD

HK$4,100 HKD

View

Retailer 10

$779 CAD

$558 USD

View

Retailer 11

$867 CAD

$621 USD

View

Retailer 12

$895 CAD

€610 EUR

View

Price last confirmed 7 days ago

Retailer 13

$949 CAD

ZAR 10,972 ZAR

View

Retailer 14

$985 CAD

£555 GBP

View

Retailer 15

$1,180 CAD

$845 USD

View

Retailer 16

$1,245 CAD

$891 USD

View

B+

Retailer 17

$1,537 CAD

$1,100 USD

View

Retailer 18

$1,775 CAD

$1,271 USD

View

Price last confirmed 20 days ago

B+

Retailer 19

$1,775 CAD

$1,271 USD

View

Retailer 20

$1,849 CAD

$1,324 USD

View

Price last confirmed 30 days ago

B+

Retailer 21

$1,924 CAD

$1,377 USD

View

B+

Retailer 22

$2,001 CAD

$1,433 USD

View

B+

Retailer 23

$2,058 CAD

$1,473 USD

View

B+

Retailer 24

$2,137 CAD

SGD 2,067 SGD

View

B+

Retailer 25

$2,225 CAD

£1,254 GBP

View

B+

Retailer 26

$2,347 CAD

A$2,585 AUD

View

Retailer 27

$3,464 CAD

$2,480 USD

View

Retailer 28

$3,576 CAD

$2,560 USD

View

Retailer 29

$3,590 CAD

$2,570 USD

View

Retailer 30

$4,107 CAD

$2,940 USD

View

Most Expensive

Diamond Quarter

1.57IFDLG25C158N · Oct 29

$4,470 CAD

£2,520 GBP

View

30 more retailers have this diamond

Prices start from $404 CADSave up to $4,066 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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