Marquise|Lab Grown|IGI

2.56ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG771601086

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG771601086

Diamond specifications and retailer prices

From $5,712 CAD

$4,089 USD

As of October 31, 2026

Save $15,564 CAD (73%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $29,210 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG771601086 or 771601086. Listed at 18 retailers as of October 30, 2026, with a 272% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36°

Pavilion angle39.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG771601086

Dimensions13.91 × 7.32 × 4.46 mm

L/W Ratio1.90

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 LG771601086

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 31

Current: $20,986 CAD|Low: $5,081 CAD|High: $43,709 CAD|Avg: $17,459 CAD|+1.9%

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

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Retailer 18

Taylor and Hart

October 29, 2026

Retailer 7$5,712 CAD

Retailer 4$7,114 CAD

Retailer 6$7,425 CAD

Retailer 13$7,697 CAD

Retailer 18$9,412 CAD

Retailer 11$10,374 CAD

Retailer 16$10,600 CAD

Retailer 5$11,517 CAD

Retailer 2$13,863 CAD

Retailer 14$13,983 CAD

Retailer 12$16,642 CAD

Retailer 10$19,147 CAD

Retailer 17$20,848 CAD

Retailer 1$20,986 CAD

Retailer 9$21,276 CAD

Retailer 3$26,509 CAD

Retailer 15$27,625 CAD

Taylor and Hart$29,210 CAD

Retailer 8$43,709 CAD

26 data points across 19 retailers

18 retailers$5,712 CAD to $21,276 CAD

Cheapest Retailer

$5,712 CAD

$4,089 USD

B+

Retailer 2

$7,114 CAD

$5,093 USD

View

Final sale: no returns

B+

Retailer 3

$7,425 CAD

$5,315 USD

View

B+

Retailer 4

$7,697 CAD

$5,510 USD

View

B+

Retailer 5

$9,412 CAD

$6,738 USD

View

B+

Retailer 6

$10,374 CAD

£5,848 GBP

View

B+

Retailer 7

$10,600 CAD

$7,588 USD

View

Retailer 8

$11,517 CAD

£6,492 GBP

View

Retailer 9

$13,863 CAD

$9,924 USD

View

Retailer 10

$13,983 CAD

$10,010 USD

View

Retailer 11

$16,642 CAD

£9,381 GBP

View

Retailer 12

$20,848 CAD

$14,925 USD

View

Price last confirmed 7 days ago

Retailer 13

$20,986 CAD

ZAR 242,705 ZAR

View

Retailer 14

$21,276 CAD

$15,231 USD

View

Retailer 15

$26,509 CAD

$18,977 USD

View

Price under review

Retailer 16

$27,625 CAD

$19,776 USD

View

Price under review

Most Expensive

Taylor and Hart

JEUINXG · Oct 30

$29,210 CAD

$20,911 USD

View

Price under review

16 more retailers have this diamond

Prices start from $5,712 CADSave up to $15,564 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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