Radiant|Lab Grown|IGI

1.64ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG705509687

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

Certificate IGI LG705509687

Diamond specifications and retailer prices

From $485 CAD

$347 USD

As of October 30, 2026

Save $5,019 CAD (91%) vs most expensive(unlock to see where)

28 retailers carry this diamond

Most expensive: $5,504 CAD at Brilliant Earth · As of October 24, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG705509687 or 705509687. Listed at 28 retailers as of October 24, 2026, with prices from $485 to $5,504, a $5,019 spread on the same certified stone. Brilliant Earth lists it at $5,504. 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

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.7°

Pavilion angle33.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG705509687

Dimensions8.89 × 5.91 × 3.77 mm

L/W Ratio1.50

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 LG705509687

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: $4,694 CAD|Low: $485 CAD|High: $5,769 CAD|Avg: $1,905 CAD|-18.6%

Brilliant Earth

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

October 30, 2026

Retailer 6$485 CAD

Retailer 10$555 CAD

Retailer 5$751 CAD

Retailer 18$754 CAD

Retailer 2$781 CAD

Retailer 19$905 CAD

Retailer 11$990 CAD

Retailer 17$1,019 CAD

Retailer 13$1,064 CAD

Retailer 4$1,284 CAD

Retailer 15$1,376 CAD

Retailer 21$1,650 CAD

Retailer 14$1,965 CAD

Retailer 3$2,063 CAD

Retailer 8$2,151 CAD

Retailer 9$2,177 CAD

Retailer 12$2,299 CAD

Retailer 7$2,379 CAD

Retailer 20$3,841 CAD

Retailer 16$3,869 CAD

Brilliant Earth$4,694 CAD

33 data points across 21 retailers

28 retailers$485 CAD to $5,504 CAD

Retailer 1

$478 CAD

$342 USD

Price last confirmed 9 days ago

Retailer 2

$485 CAD

$347 USD

View

Final sale: no returns

Retailer 3

$555 CAD

$397 USD

View

Price last confirmed 10 days ago

Retailer 4

$592 CAD

$424 USD

View

Price last confirmed 14 days ago

Retailer 5

$592 CAD

$424 USD

View

Price last confirmed 8 days ago

Retailer 6

$751 CAD

HK$4,200 HKD

View

Retailer 7

$754 CAD

$540 USD

View

Retailer 8

$781 CAD

$559 USD

View

Retailer 9

$905 CAD

$648 USD

View

Retailer 10

$990 CAD

€675 EUR

View

Price last confirmed 7 days ago

Retailer 11

$1,019 CAD

ZAR 11,779 ZAR

View

Retailer 12

$1,064 CAD

£600 GBP

View

Retailer 13

$1,284 CAD

$919 USD

View

Retailer 14

$1,376 CAD

A$1,515 AUD

View

B+

Retailer 15

$1,650 CAD

$1,181 USD

View

Retailer 16

$1,905 CAD

$1,364 USD

View

Price last confirmed 8 days ago

B+

Retailer 17

$1,965 CAD

$1,407 USD

View

B+

Retailer 18

$2,024 CAD

$1,449 USD

View

B+

Retailer 19

$2,063 CAD

$1,477 USD

View

B+

Retailer 20

$2,151 CAD

$1,540 USD

View

B+

Retailer 21

$2,177 CAD

SGD 2,106 SGD

View

Retailer 22

$2,299 CAD

£1,296 GBP

View

Price last confirmed 9 days ago

B+

Retailer 23

$2,379 CAD

£1,341 GBP

View

Retailer 24

$3,841 CAD

$2,750 USD

View

Retailer 25

$3,869 CAD

$2,770 USD

View

Retailer 26

$4,222 CAD

£2,380 GBP

View

Retailer 27

$4,694 CAD

$3,360 USD

View

Most Expensive

Brilliant Earth

14166265A · Oct 24

$5,504 CAD

$3,940 USD

View

27 more retailers have this diamond

Prices start from $485 CADSave up to $5,019 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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