Round|Lab Grown|IGI

1.91ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG817693378

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817693378

Diamond specifications and retailer prices

From $1,451 CAD

$1,037 USD

As of October 29, 2026

Save $7,548 CAD (84%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $8,999 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817693378 or 817693378. Listed at 21 retailers as of October 29, 2026, with prices from $1,451 to $8,999, a $7,548 spread on the same certified stone. Brilliant Earth lists it at $8,999. 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 angle33°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG817693378

Dimensions8.05 × 8.11 × 4.87 mm

L/W Ratio1.01

Girdle conditionFaceted

Cert comments

HEARTS & ARROWS 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 LG817693378

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: $8,999 CAD|Low: $1,393 CAD|High: $8,999 CAD|Avg: $3,442 CAD|+0.2%

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

October 29, 2026

Retailer 14$1,451 CAD

Retailer 5$1,579 CAD

Retailer 7$1,625 CAD

Retailer 15$1,684 CAD

Retailer 13$1,924 CAD

Retailer 2$2,421 CAD

Retailer 3$2,686 CAD

Retailer 9$2,689 CAD

Retailer 8$3,095 CAD

Retailer 6$3,156 CAD

Retailer 12$4,913 CAD

Retailer 11$4,973 CAD

Retailer 4$5,649 CAD

Retailer 10$5,718 CAD

Brilliant Earth$8,999 CAD

39 data points across 15 retailers

21 retailers$1,451 CAD to $8,999 CAD

Cheapest Retailer

$1,451 CAD

$1,037 USD

Retailer 2

$1,579 CAD

$1,128 USD

View

Retailer 3

$1,625 CAD

$1,161 USD

View

Final sale: no returns

Retailer 4

$1,684 CAD

$1,203 USD

View

Price last confirmed 12 days ago

Retailer 5

$1,684 CAD

$1,203 USD

View

B+

Retailer 6

$1,924 CAD

$1,375 USD

View

B+

Retailer 7

$1,953 CAD

HK$10,900 HKD

View

B+

Retailer 8

$2,389 CAD

$1,707 USD

View

B+

Retailer 9

$2,421 CAD

£1,362 GBP

View

B+

Retailer 10

$2,686 CAD

$1,919 USD

View

B+

Retailer 11

$2,689 CAD

€1,830 EUR

View

B+

Retailer 12

$3,095 CAD

ZAR 35,722 ZAR

View

B+

Retailer 13

$3,156 CAD

$2,255 USD

View

Retailer 14

$3,519 CAD

$2,514 USD

View

Retailer 15

$4,913 CAD

$3,510 USD

View

Retailer 16

$4,973 CAD

$3,553 USD

View

Retailer 17

$5,409 CAD

$3,865 USD

View

Retailer 18

$5,649 CAD

SGD 5,454 SGD

View

Retailer 19

$5,718 CAD

£3,217 GBP

View

Retailer 20

$5,876 CAD

$4,198 USD

View

Most Expensive

Brilliant Earth

20860275A · Oct 29

$8,999 CAD

$6,430 USD

View

20 more retailers have this diamond

Prices start from $1,451 CADSave up to $7,548 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

$1,451 CAD