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 €2,445 EUR

$2,732 USD

As of October 31, 2026

Save €9,564 EUR (80%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: €12,009 EUR at Taylor and Hart · As of October 31, 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 31, 2026, with prices from €2,445 to €12,009, a €9,564 spread on the same certified stone. Taylor and Hart lists it at €12,009. 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: €8,687 EUR|Low: €2,445 EUR|High: €9,913 EUR|Avg: €6,333 EUR

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

November 1, 2026

Retailer 4€2,445 EUR

Retailer 3€3,067 EUR

Retailer 11€4,162 EUR

Retailer 6€4,566 EUR

Retailer 12€5,200 EUR

Retailer 9€5,535 EUR

Retailer 10€5,890 EUR

Retailer 2€7,243 EUR

Retailer 13€7,838 EUR

Retailer 1€8,687 EUR

Retailer 8€8,841 EUR

Retailer 5€9,074 EUR

Retailer 7€9,773 EUR

43 data points across 13 retailers

14 retailers€2,445 EUR to €12,009 EUR

Cheapest Retailer

€2,445 EUR

$2,732 USD

Retailer 2

€3,067 EUR

$3,427 USD

View

B+

Retailer 3

€4,162 EUR

$4,650 USD

View

B+

Retailer 4

€4,285 EUR

HK$37,400 HKD

View

B+

Retailer 5

€4,566 EUR

£4,016 GBP

View

B+

Retailer 6

€5,200 EUR

$5,810 USD

View

B+

Retailer 7

€5,535 EUR

View

B+

Retailer 8

€5,890 EUR

$6,580 USD

View

Retailer 9

€7,838 EUR

$8,757 USD

View

Retailer 10

€8,687 EUR

£7,642 GBP

View

Retailer 11

€8,841 EUR

ZAR 159,574 ZAR

View

Retailer 12

€9,074 EUR

$10,138 USD

View

Price last confirmed 8 days ago

Retailer 13

€9,773 EUR

A$16,797 AUD

View

Most Expensive

Taylor and Hart

9517ATH · Oct 31

€12,009 EUR

$13,417 USD

View

13 more retailers have this diamond

Prices start from €2,445 EURSave up to €9,564 EUR

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

€2,445 EUR