Radiant|Lab Grown|IGI

1.64ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG600377774

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

Certificate IGI LG600377774

Diamond specifications and retailer prices

From $451 CAD

$322 USD

As of October 30, 2026

Save $3,888 CAD (90%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $4,339 CAD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.64ct lab-grown radiant diamond

This 1.64ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG600377774 or 600377774. Listed at 25 retailers as of October 29, 2026, with prices from $451 to $4,339, a $3,888 spread on the same certified stone. Brilliant Earth lists it at $4,339. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.2°

Pavilion angle32°

OriginLab Grown

Grading LabIGI

CertificateIGI LG600377774

Dimensions9.06 × 5.84 × 3.68 mm

L/W Ratio1.55

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 LG600377774

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: $4,339 CAD|Low: $451 CAD|High: $4,367 CAD|Avg: $1,751 CAD|-0.6%

Brilliant Earth

Retailer 2

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October 30, 2026

Retailer 6$451 CAD

Retailer 10$504 CAD

Retailer 16$523 CAD

Retailer 3$558 CAD

Retailer 21$558 CAD

Retailer 23$627 CAD

Retailer 20$777 CAD

Retailer 22$902 CAD

Retailer 11$907 CAD

Retailer 7$927 CAD

Retailer 19$961 CAD

Retailer 2$998 CAD

Retailer 18$1,303 CAD

Retailer 4$1,639 CAD

Retailer 8$1,659 CAD

Retailer 14$1,791 CAD

Retailer 24$1,797 CAD

Retailer 9$1,860 CAD

Retailer 15$2,148 CAD

Retailer 5$2,176 CAD

Retailer 12$2,216 CAD

Retailer 13$2,252 CAD

Retailer 17$3,359 CAD

Brilliant Earth$4,339 CAD

40 data points across 24 retailers

25 retailers$451 CAD to $4,339 CAD

Cheapest Retailer

$451 CAD

$322 USD

Retailer 2

$504 CAD

$360 USD

View

Final sale: no returns

Retailer 3

$523 CAD

$374 USD

View

Retailer 4

$558 CAD

$399 USD

View

Retailer 5

$558 CAD

$399 USD

View

Retailer 6

$627 CAD

HK$3,500 HKD

View

Retailer 7

$777 CAD

$555 USD

View

Retailer 8

$902 CAD

€614 EUR

View

Price last confirmed 7 days ago

Retailer 9

$907 CAD

$648 USD

View

Retailer 10

$927 CAD

$662 USD

View

Retailer 11

$961 CAD

ZAR 11,088 ZAR

View

Retailer 12

$998 CAD

£562 GBP

View

Retailer 13

$1,303 CAD

A$1,432 AUD

View

Retailer 14

$1,639 CAD

$1,171 USD

View

B+

Retailer 15

$1,659 CAD

$1,185 USD

View

B+

Retailer 16

$1,791 CAD

SGD 1,729 SGD

View

B+

Retailer 17

$1,797 CAD

$1,284 USD

View

B+

Retailer 18

$1,860 CAD

$1,329 USD

View

B+

Retailer 19

$1,979 CAD

$1,414 USD

View

B+

Retailer 20

$2,148 CAD

$1,535 USD

View

B+

Retailer 21

$2,176 CAD

£1,224 GBP

View

B+

Retailer 22

$2,216 CAD

$1,583 USD

View

B+

Retailer 23

$2,252 CAD

£1,267 GBP

View

Retailer 24

$3,359 CAD

$2,400 USD

View

Price last confirmed 11 days ago

Most Expensive

Brilliant Earth

19055686A · Oct 29

$4,339 CAD

$3,100 USD

View

24 more retailers have this diamond

Prices start from $451 CADSave up to $3,888 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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