Round|Lab Grown|IGI

4.31ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG694550809

Shape and cutting style on the report: Round brilliant

Certificate IGI LG694550809

Diamond specifications and retailer prices

From $3,156 CAD

$2,255 USD

As of October 29, 2026

Save $8,291 CAD (72%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $11,447 CAD at Taylor and Hart · As of October 30, 2026

View at Taylor and Hart

About this 4.31ct lab-grown round diamond

This 4.31ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG694550809 or 694550809. Listed at 17 retailers as of October 29, 2026, with prices from $3,156 to $11,447, a $8,291 spread on the same certified stone. Taylor and Hart lists it at $11,447. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.31

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.8°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG694550809

Dimensions10.47 × 10.54 × 6.38 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 LG694550809

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 29

Current: $4,482 CAD|Low: $2,543 CAD|High: $11,718 CAD|Avg: $6,409 CAD|+8.8%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Taylor and Hart

October 30, 2026

Retailer 11$2,543 CAD

Retailer 13$3,156 CAD

Retailer 5$3,524 CAD

Retailer 1$4,482 CAD

Retailer 9$4,719 CAD

Retailer 8$4,724 CAD

Retailer 12$5,247 CAD

Retailer 4$6,899 CAD

Retailer 6$6,963 CAD

Retailer 10$7,020 CAD

Retailer 3$8,815 CAD

Retailer 2$9,322 CAD

Retailer 7$9,392 CAD

Taylor and Hart$11,447 CAD

41 data points across 14 retailers

17 retailers$3,156 CAD to $11,447 CAD

Retailer 1

$2,543 CAD

£1,431 GBP

Price last confirmed 13 days ago

Retailer 2

$2,707 CAD

$1,934 USD

View

Price last confirmed 22 days ago

Retailer 3

$3,156 CAD

$2,255 USD

View

Final sale: no returns

Retailer 4

$3,271 CAD

$2,337 USD

View

Price last confirmed 27 days ago

Retailer 5

$3,524 CAD

$2,518 USD

View

Retailer 6

$4,482 CAD

£2,522 GBP

View

Retailer 7

$4,497 CAD

$3,213 USD

View

Price last confirmed 22 days ago

Retailer 8

$4,719 CAD

$3,372 USD

View

Retailer 9

$4,724 CAD

$3,375 USD

View

Retailer 10

$5,247 CAD

$3,749 USD

View

Retailer 11

$6,899 CAD

$4,929 USD

View

Retailer 12

$6,963 CAD

ZAR 80,375 ZAR

View

Retailer 13

$7,020 CAD

A$7,716 AUD

View

Price last confirmed 7 days ago

B+

Retailer 14

$8,815 CAD

$6,298 USD

View

B+

Retailer 15

$9,322 CAD

$6,660 USD

View

B+

Retailer 16

$9,392 CAD

£5,284 GBP

View

Most Expensive

B+

Taylor and Hart

O3GHO2N · Oct 30

$11,447 CAD

$8,179 USD

View

16 more retailers have this diamond

Prices start from $3,156 CADSave up to $8,291 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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4.31ct Round

$3,156 CAD