Marquise|Lab Grown|IGI

4.00ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754508641

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508641

Diamond specifications and retailer prices

From $14,716 CAD

$10,535 USD

As of October 28, 2026

Save $40,435 CAD (73%) vs most expensive(unlock to see where)

31 retailers carry this diamond

Most expensive: $55,152 CAD at Cape Diamonds · As of October 29, 2026

View at Cape Diamonds

About this 4ct lab-grown marquise diamond

This 4ct 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 LG754508641 or 754508641. Listed at 31 retailers as of October 28, 2026, with prices from $14,716 to $55,152, a $40,435 spread on the same certified stone. Cape Diamonds lists it at $55,152. 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

4.00

Carat

Color

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.3°

Pavilion angle39.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG754508641

Dimensions8.23 × 8.23 × 5.24 mm

L/W Ratio1.00

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 LG754508641

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 28

Current: $55,152 CAD|Low: $13,105 CAD|High: $96,849 CAD|Avg: $37,011 CAD|+1.9%

Cape Diamonds

Retailer 2

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October 29, 2026

Retailer 22$14,716 CAD

Retailer 18$17,281 CAD

Retailer 14$19,856 CAD

Retailer 7$20,235 CAD

Retailer 9$20,720 CAD

Retailer 23$21,692 CAD

Retailer 11$23,149 CAD

Retailer 25$23,232 CAD

Retailer 10$23,374 CAD

Retailer 24$24,161 CAD

Retailer 8$24,282 CAD

Retailer 15$27,927 CAD

Retailer 21$28,301 CAD

Retailer 2$29,256 CAD

Retailer 16$37,128 CAD

Retailer 19$40,915 CAD

Retailer 5$42,415 CAD

Retailer 13$44,087 CAD

Retailer 6$45,405 CAD

Cape Diamonds$55,152 CAD

Retailer 20$56,329 CAD

Retailer 3$64,592 CAD

Retailer 17$72,281 CAD

Retailer 4$90,659 CAD

Retailer 12$96,849 CAD

33 data points across 25 retailers

31 retailers$14,716 CAD to $55,152 CAD

Cheapest Retailer

$14,716 CAD

$10,535 USD

B+

Retailer 2

$17,281 CAD

$12,371 USD

View

B+

Retailer 3

$19,856 CAD

$14,214 USD

View

B+

Retailer 4

$20,235 CAD

$14,486 USD

View

Retailer 5

$20,235 CAD

$14,486 USD

View

Price last confirmed 22 days ago

Retailer 6

$20,235 CAD

$14,486 USD

View

Price last confirmed 31 days ago

Retailer 7

$20,720 CAD

$14,833 USD

View

Price last confirmed 32 days ago

Retailer 8

$21,692 CAD

£12,227 GBP

View

Price last confirmed 13 days ago

Retailer 9

$23,149 CAD

$16,572 USD

View

Price last confirmed 32 days ago

B+

Retailer 10

$23,232 CAD

$16,631 USD

View

Retailer 11

$23,472 CAD

$16,803 USD

View

Price last confirmed 27 days ago

Retailer 12

$23,472 CAD

$16,803 USD

View

Price last confirmed 20 days ago

B+

Retailer 13

$24,161 CAD

$17,296 USD

View

Retailer 14

$24,282 CAD

$17,383 USD

View

Price last confirmed 20 days ago

B+

Retailer 15

$24,282 CAD

$17,383 USD

View

Retailer 16

$24,282 CAD

$17,383 USD

View

Price last confirmed 30 days ago

Retailer 17

$27,927 CAD

$19,992 USD

View

Final sale: no returns

B+

Retailer 18

$28,301 CAD

$20,260 USD

View

B+

Retailer 19

$29,256 CAD

£16,491 GBP

View

Retailer 20

$37,128 CAD

£20,928 GBP

View

Retailer 21

$40,915 CAD

£23,063 GBP

View

Retailer 22

$42,415 CAD

$30,364 USD

View

Retailer 23

$44,087 CAD

€30,058 EUR

View

Retailer 24

$45,405 CAD

A$50,006 AUD

View

Price last confirmed 22 days ago

Most Expensive

Cape Diamonds

cert_754508641 · Oct 29

$55,152 CAD

ZAR 637,826 ZAR

View

24 more retailers have this diamond

Prices start from $14,716 CADSave up to $40,435 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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