Round|Lab Grown|IGI

1.91ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG607370993

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607370993

Diamond specifications and retailer prices

From $644 CAD

$460 USD

As of October 29, 2026

Save $6,046 CAD (90%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $6,690 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 LG607370993 or 607370993. Listed at 25 retailers as of October 29, 2026, with prices from $644 to $6,690, a $6,046 spread on the same certified stone. Brilliant Earth lists it at $6,690. 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 angle35.3°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG607370993

Dimensions7.95 × 7.90 × 4.90 mm

L/W Ratio1.01

Girdle conditionFaceted

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 LG607370993

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: $6,690 CAD|Low: $644 CAD|High: $7,390 CAD|Avg: $2,419 CAD|-9.5%

Brilliant Earth

Retailer 2

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October 29, 2026

Retailer 4$644 CAD

Retailer 13$721 CAD

Retailer 14$722 CAD

Retailer 21$799 CAD

Retailer 7$878 CAD

Retailer 20$1,001 CAD

Retailer 23$1,071 CAD

Retailer 3$1,152 CAD

Retailer 17$1,223 CAD

Retailer 2$1,316 CAD

Retailer 19$1,373 CAD

Retailer 18$1,690 CAD

Retailer 5$1,860 CAD

Retailer 6$1,931 CAD

Retailer 9$2,540 CAD

Retailer 12$2,570 CAD

Retailer 11$2,612 CAD

Retailer 15$2,733 CAD

Retailer 8$2,834 CAD

Retailer 16$2,902 CAD

Retailer 22$2,940 CAD

Retailer 10$2,991 CAD

Brilliant Earth$6,690 CAD

30 data points across 23 retailers

25 retailers$644 CAD to $6,690 CAD

Cheapest Retailer

$644 CAD

$460 USD

Retailer 2

$721 CAD

$515 USD

View

Final sale: no returns

Retailer 3

$722 CAD

$516 USD

View

Retailer 4

$799 CAD

$571 USD

View

Retailer 5

$878 CAD

HK$4,900 HKD

View

Retailer 6

$1,001 CAD

$715 USD

View

Retailer 7

$1,071 CAD

$765 USD

View

Retailer 8

$1,099 CAD

$785 USD

View

Price last confirmed 13 days ago

Retailer 9

$1,152 CAD

$823 USD

View

Retailer 10

$1,223 CAD

€832 EUR

View

Retailer 11

$1,316 CAD

£740 GBP

View

Retailer 12

$1,373 CAD

ZAR 15,852 ZAR

View

Retailer 13

$1,690 CAD

A$1,858 AUD

View

Retailer 14

$1,860 CAD

$1,329 USD

View

B+

Retailer 15

$1,931 CAD

$1,380 USD

View

B+

Retailer 16

$2,540 CAD

SGD 2,452 SGD

View

B+

Retailer 17

$2,570 CAD

$1,836 USD

View

B+

Retailer 18

$2,612 CAD

$1,866 USD

View

B+

Retailer 19

$2,733 CAD

A$3,004 AUD

View

Price last confirmed 8 days ago

B+

Retailer 20

$2,805 CAD

$2,004 USD

View

B+

Retailer 21

$2,834 CAD

$2,025 USD

View

B+

Retailer 22

$2,902 CAD

A$3,190 AUD

View

Price last confirmed 21 days ago

B+

Retailer 23

$2,940 CAD

£1,654 GBP

View

B+

Retailer 24

$2,991 CAD

$2,137 USD

View

Most Expensive

Brilliant Earth

14484113A · Oct 29

$6,690 CAD

$4,780 USD

View

24 more retailers have this diamond

Prices start from $644 CADSave up to $6,046 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

$644 CAD