Round|Lab Grown|IGI

1.91ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG809661925

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809661925

Diamond specifications and retailer prices

From $593 CAD

$424 USD

As of October 28, 2026

Save $5,439 CAD (90%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: $6,032 CAD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round 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 LG809661925 or 809661925. Listed at 27 retailers as of October 28, 2026, with prices from $593 to $6,032, a $5,439 spread on the same certified stone. Brilliant Earth lists it at $6,032. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.8°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG809661925

Dimensions8.01 × 7.98 × 4.84 mm

L/W Ratio1.00

Girdle conditionFaceted

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 LG809661925

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 28

Current: $6,032 CAD|Low: $593 CAD|High: $6,032 CAD|Avg: $1,858 CAD

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

October 29, 2026

Retailer 5$593 CAD

Retailer 15$927 CAD

Retailer 18$938 CAD

Retailer 13$994 CAD

Retailer 11$1,057 CAD

Retailer 8$1,128 CAD

Retailer 14$1,130 CAD

Retailer 17$1,179 CAD

Retailer 6$1,507 CAD

Retailer 2$1,527 CAD

Retailer 10$1,870 CAD

Retailer 3$1,892 CAD

Retailer 7$2,168 CAD

Retailer 4$2,463 CAD

Retailer 16$2,470 CAD

Retailer 12$2,583 CAD

Retailer 9$3,611 CAD

Brilliant Earth$6,032 CAD

30 data points across 18 retailers

27 retailers$593 CAD to $6,032 CAD

Retailer 1

$537 CAD

$384 USD

Price last confirmed 19 days ago

Retailer 2

$560 CAD

$400 USD

View

Price last confirmed 33 days ago

Retailer 3

$593 CAD

$424 USD

View

Final sale: no returns

Retailer 4

$627 CAD

$448 USD

View

Price last confirmed 37 days ago

Retailer 5

$666 CAD

$476 USD

View

Price last confirmed 27 days ago

Retailer 6

$666 CAD

$476 USD

View

Price last confirmed 17 days ago

Retailer 7

$684 CAD

$489 USD

View

Price last confirmed 34 days ago

Retailer 8

$927 CAD

$662 USD

View

Retailer 9

$938 CAD

$670 USD

View

Retailer 10

$994 CAD

£559 GBP

View

Retailer 11

$1,057 CAD

€719 EUR

View

Retailer 12

$1,128 CAD

$806 USD

View

Retailer 13

$1,130 CAD

ZAR 13,045 ZAR

View

Retailer 14

$1,179 CAD

£663 GBP

View

Retailer 15

$1,507 CAD

$1,077 USD

View

Retailer 16

$1,527 CAD

A$1,678 AUD

View

B+

Retailer 17

$1,870 CAD

$1,336 USD

View

B+

Retailer 18

$1,892 CAD

$1,352 USD

View

B+

Retailer 19

$2,143 CAD

$1,531 USD

View

Price last confirmed 22 days ago

B+

Retailer 20

$2,168 CAD

$1,549 USD

View

B+

Retailer 21

$2,230 CAD

$1,593 USD

View

Price last confirmed 38 days ago

B+

Retailer 22

$2,295 CAD

$1,640 USD

View

B+

Retailer 23

$2,463 CAD

$1,760 USD

View

B+

Retailer 24

$2,470 CAD

$1,765 USD

View

B+

Retailer 25

$2,583 CAD

£1,453 GBP

View

B+

Retailer 26

$3,611 CAD

$2,580 USD

View

Most Expensive

Brilliant Earth

20436430A · Oct 29

$6,032 CAD

$4,310 USD

View

26 more retailers have this diamond

Prices start from $593 CADSave up to $5,439 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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1.91ct Round

$593 CAD