Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG630443173

Shape and cutting style on the report: Round brilliant

Certificate IGI LG630443173

Diamond specifications and retailer prices

From $468 CAD

$335 USD

As of October 30, 2026

Save $1,618 CAD (78%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $3,422 CAD at Brilliant Earth · As of October 4, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG630443173 or 630443173. Listed at 26 retailers as of October 29, 2026, with a 346% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.7°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG630443173

Dimensions7.89 × 7.95 × 4.93 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 LG630443173

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: $3,422 CAD|Low: $409 CAD|High: $3,422 CAD|Avg: $1,282 CAD

Brilliant Earth

Retailer 2

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Retailer 21

October 31, 2026

Retailer 10$426 CAD

Retailer 4$468 CAD

Retailer 12$528 CAD

Retailer 5$572 CAD

Retailer 21$696 CAD

Retailer 13$698 CAD

Retailer 2$845 CAD

Retailer 19$890 CAD

Retailer 3$902 CAD

Retailer 15$916 CAD

Retailer 17$952 CAD

Retailer 6$978 CAD

Retailer 18$1,204 CAD

Retailer 20$1,334 CAD

Retailer 8$1,657 CAD

Retailer 11$1,690 CAD

Retailer 14$1,728 CAD

Retailer 7$1,731 CAD

Retailer 9$1,992 CAD

Retailer 16$2,086 CAD

Brilliant Earth$3,422 CAD

39 data points across 21 retailers

26 retailers$468 CAD to $2,086 CAD

Retailer 1

$426 CAD

$305 USD

Price last confirmed 12 days ago

Retailer 2

$468 CAD

$335 USD

View

Final sale: no returns

Retailer 3

$495 CAD

$354 USD

View

Price last confirmed 11 days ago

Retailer 4

$522 CAD

$374 USD

View

Price last confirmed 46 days ago

Retailer 5

$528 CAD

$378 USD

View

Price last confirmed 15 days ago

Retailer 6

$528 CAD

$378 USD

View

Price last confirmed 12 days ago

Retailer 7

$572 CAD

HK$3,200 HKD

View

B+

Retailer 8

$696 CAD

$498 USD

View

Retailer 9

$698 CAD

$500 USD

View

Retailer 10

$845 CAD

€576 EUR

View

Retailer 11

$890 CAD

ZAR 10,289 ZAR

View

Retailer 12

$902 CAD

$646 USD

View

Retailer 13

$916 CAD

£516 GBP

View

Retailer 14

$952 CAD

A$1,048 AUD

View

B+

Retailer 15

$978 CAD

$700 USD

View

B+

Retailer 16

$1,204 CAD

A$1,326 AUD

View

B+

Retailer 17

$1,334 CAD

$955 USD

View

Retailer 18

$1,657 CAD

SGD 1,603 SGD

View

Retailer 19

$1,690 CAD

$1,210 USD

View

Price last confirmed 23 days ago

Retailer 20

$1,699 CAD

$1,216 USD

View

Price last confirmed 13 days ago

Retailer 21

$1,728 CAD

A$1,903 AUD

View

Price last confirmed 26 days ago

Retailer 22

$1,731 CAD

$1,239 USD

View

Retailer 23

$1,820 CAD

$1,303 USD

View

Retailer 24

$1,992 CAD

$1,426 USD

View

Retailer 25

$2,086 CAD

£1,176 GBP

View

Most Expensive

Brilliant Earth

9989183A · Oct 4

$3,422 CAD

$2,450 USD

View

Price last confirmed 26 days ago

25 more retailers have this diamond

Prices start from $468 CADSave up to $1,618 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

$468 CAD