Marquise|Lab Grown|IGI

2.56ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG768630291

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768630291

Diamond specifications and retailer prices

From $3,816 CAD

$2,732 USD

As of October 31, 2026

Save $14,926 CAD (80%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $18,742 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 LG768630291 or 768630291. Listed at 14 retailers as of October 30, 2026, with prices from $3,816 to $18,742, a $14,926 spread on the same certified stone. Taylor and Hart lists it at $18,742. 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 angle36.4°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG768630291

Dimensions13.85 × 7.08 × 4.51 mm

L/W Ratio1.96

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 LG768630291

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: $7,125 CAD|Low: $3,816 CAD|High: $15,471 CAD|Avg: $9,896 CAD|-0.6%

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

October 31, 2026

Retailer 4$3,816 CAD

Retailer 3$4,787 CAD

Retailer 10$6,496 CAD

Retailer 1$7,125 CAD

Retailer 12$8,116 CAD

Retailer 7$8,638 CAD

Retailer 9$9,192 CAD

Retailer 2$11,304 CAD

Retailer 13$12,233 CAD

Retailer 8$13,630 CAD

Retailer 6$13,798 CAD

Retailer 5$14,161 CAD

Retailer 11$15,431 CAD

43 data points across 13 retailers

14 retailers$3,816 CAD to $18,742 CAD

Cheapest Retailer

$3,816 CAD

$2,732 USD

Retailer 2

$4,787 CAD

$3,427 USD

View

B+

Retailer 3

$6,496 CAD

$4,650 USD

View

B+

Retailer 4

$6,687 CAD

HK$37,400 HKD

View

B+

Retailer 5

$7,125 CAD

£4,016 GBP

View

B+

Retailer 6

$8,116 CAD

$5,810 USD

View

B+

Retailer 7

$8,638 CAD

€5,889 EUR

View

B+

Retailer 8

$9,192 CAD

$6,580 USD

View

Retailer 9

$12,233 CAD

$8,757 USD

View

Retailer 10

$13,630 CAD

£7,683 GBP

View

Retailer 11

$13,798 CAD

ZAR 159,574 ZAR

View

Retailer 12

$14,161 CAD

$10,138 USD

View

Price last confirmed 7 days ago

Retailer 13

$15,431 CAD

A$16,995 AUD

View

Price last confirmed 22 days ago

Most Expensive

Taylor and Hart

9517ATH · Oct 30

$18,742 CAD

$13,417 USD

View

13 more retailers have this diamond

Prices start from $3,816 CADSave up to $14,926 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

$3,816 CAD