Marquise|Lab Grown|IGI

2.56ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG790644856

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790644856

Diamond specifications and retailer prices

From $4,351 CAD

$3,115 USD

As of October 30, 2026

Save $13,255 CAD (75%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $17,606 CAD at Taylor and Hart · As of October 30, 2026

View at Taylor and Hart

About this 2.56ct lab-grown marquise diamond

This 2.56ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790644856 or 790644856. Listed at 21 retailers as of October 30, 2026, with prices from $4,351 to $17,606, a $13,255 spread on the same certified stone. Taylor and Hart lists it at $17,606. 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

2.56

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.4°

Pavilion angle39.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG790644856

Dimensions14.24 × 7.13 × 4.29 mm

L/W Ratio2.00

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG790644856

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: $6,697 CAD|Low: $4,177 CAD|High: $17,606 CAD|Avg: $8,817 CAD|-20.0%

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

Retailer 14

Retailer 15

Retailer 16

Retailer 17

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Retailer 19

Taylor and Hart

October 31, 2026

Retailer 3$4,351 CAD

Retailer 7$4,751 CAD

Retailer 4$4,871 CAD

Retailer 5$5,047 CAD

Retailer 9$5,047 CAD

Retailer 8$5,071 CAD

Retailer 12$5,120 CAD

Retailer 18$5,266 CAD

Retailer 6$6,307 CAD

Retailer 1$6,697 CAD

Retailer 17$7,103 CAD

Retailer 15$7,222 CAD

Retailer 10$8,707 CAD

Retailer 16$8,883 CAD

Retailer 2$12,580 CAD

Retailer 14$12,860 CAD

Retailer 13$13,018 CAD

Retailer 19$14,679 CAD

Retailer 11$16,972 CAD

Taylor and Hart$17,606 CAD

37 data points across 20 retailers

21 retailers$4,351 CAD to $17,606 CAD

Cheapest Retailer

$4,351 CAD

$3,115 USD

Retailer 2

$4,734 CAD

$3,389 USD

View

Retailer 3

$4,751 CAD

$3,401 USD

View

Retailer 4

$4,871 CAD

$3,487 USD

View

Final sale: no returns

Retailer 5

$5,047 CAD

$3,613 USD

View

Price last confirmed 19 days ago

Retailer 6

$5,047 CAD

$3,613 USD

View

Retailer 7

$5,071 CAD

$3,630 USD

View

Retailer 8

$5,120 CAD

£2,886 GBP

View

Retailer 9

$5,266 CAD

$3,770 USD

View

B+

Retailer 10

$6,307 CAD

$4,515 USD

View

B+

Retailer 11

$6,697 CAD

£3,775 GBP

View

B+

Retailer 12

$7,103 CAD

$5,085 USD

View

B+

Retailer 13

$7,222 CAD

$5,170 USD

View

B+

Retailer 14

$8,707 CAD

£4,908 GBP

View

B+

Retailer 15

$8,883 CAD

€6,056 EUR

View

Retailer 16

$12,580 CAD

$9,006 USD

View

Retailer 17

$12,860 CAD

£7,249 GBP

View

Retailer 18

$13,018 CAD

ZAR 150,553 ZAR

View

Retailer 19

$14,679 CAD

$10,508 USD

View

Retailer 20

$16,972 CAD

SGD 16,419 SGD

View

Most Expensive

Taylor and Hart

N59CBHO · Oct 30

$17,606 CAD

$12,604 USD

View

20 more retailers have this diamond

Prices start from $4,351 CADSave up to $13,255 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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2.56ct Marquise

$4,351 CAD