Marquise|Lab Grown|IGI

4.26ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754595411

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754595411

Diamond specifications and retailer prices

From $23,243 CAD

$16,639 USD

As of October 30, 2026

Save $35,447 CAD (60%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: $58,690 CAD at Cape Diamonds · As of October 29, 2026

View at Cape Diamonds

About this 4.26ct lab-grown marquise diamond

This 4.26ct lab-grown marquise 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 LG754595411 or 754595411. Listed at 29 retailers as of October 29, 2026, with prices from $23,243 to $58,690, a $35,447 spread on the same certified stone. Cape Diamonds lists it at $58,690. 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

4.26

Carat

Color

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.5°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG754595411

Dimensions16.53 × 8.39 × 5.37 mm

L/W Ratio1.97

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG754595411

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

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

Price History

Last verified: Oct 30

Current: $58,690 CAD|Low: $19,013 CAD|High: $102,772 CAD|Avg: $43,643 CAD|+1.9%

Cape Diamonds

Retailer 2

Retailer 3

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Retailer 5

Retailer 6

Retailer 7

Retailer 8

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Retailer 11

Retailer 12

Retailer 13

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Retailer 17

October 29, 2026

Retailer 5$23,243 CAD

Retailer 17$23,768 CAD

Retailer 8$25,062 CAD

Retailer 9$25,243 CAD

Retailer 2$26,621 CAD

Retailer 15$27,558 CAD

Retailer 14$30,159 CAD

Retailer 10$30,352 CAD

Retailer 6$39,491 CAD

Retailer 12$43,541 CAD

Retailer 11$46,955 CAD

Retailer 16$48,351 CAD

Retailer 3$49,822 CAD

Cape Diamonds$58,690 CAD

Retailer 13$59,894 CAD

Retailer 7$76,979 CAD

Retailer 4$102,772 CAD

34 data points across 17 retailers

29 retailers$23,243 CAD to $58,690 CAD

Retailer 1

$16,735 CAD

$11,980 USD

Price last confirmed 82 days ago

B+

Retailer 2

$23,243 CAD

$16,639 USD

View

B+

Retailer 3

$23,768 CAD

$17,015 USD

View

Retailer 4

$23,768 CAD

$17,015 USD

View

Price last confirmed 23 days ago

Retailer 5

$23,768 CAD

$17,015 USD

View

Price last confirmed 31 days ago

Retailer 6

$24,340 CAD

$17,424 USD

View

Price last confirmed 32 days ago

B+

Retailer 7

$25,062 CAD

$17,941 USD

View

B+

Retailer 8

$25,243 CAD

$18,071 USD

View

B+

Retailer 9

$25,840 CAD

$18,498 USD

View

Retailer 10

$25,840 CAD

$18,498 USD

View

Price last confirmed 21 days ago

Retailer 11

$25,840 CAD

$18,498 USD

View

Price last confirmed 30 days ago

B+

Retailer 12

$26,621 CAD

$19,057 USD

View

Final sale: no returns

Retailer 13

$27,191 CAD

$19,465 USD

View

Price last confirmed 32 days ago

B+

Retailer 14

$27,558 CAD

$19,728 USD

View

Retailer 15

$27,572 CAD

$19,738 USD

View

Price last confirmed 28 days ago

Retailer 16

$27,572 CAD

$19,738 USD

View

Price last confirmed 20 days ago

B+

Retailer 17

$30,159 CAD

$21,590 USD

View

B+

Retailer 18

$30,352 CAD

£17,109 GBP

View

Retailer 19

$39,491 CAD

£22,260 GBP

View

Retailer 20

$43,541 CAD

£24,543 GBP

View

Retailer 21

$46,955 CAD

€32,013 EUR

View

Retailer 22

$48,351 CAD

A$53,251 AUD

View

Price last confirmed 22 days ago

Retailer 23

$49,822 CAD

$35,666 USD

View

Most Expensive

Cape Diamonds

cert_754595411 · Oct 29

$58,690 CAD

ZAR 678,742 ZAR

View

23 more retailers have this diamond

Prices start from $23,243 CADSave up to $35,447 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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