Cushion|Lab Grown|IGI

2.57ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG790645996

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG790645996

Diamond specifications and retailer prices

From €1,642 EUR

$1,834 USD

As of October 31, 2026

Save €4,328 EUR (73%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: €5,970 EUR at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 2.57ct lab-grown cushion diamond

This 2.57ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790645996 or 790645996. Listed at 16 retailers as of October 31, 2026, with prices from €1,642 to €5,970, a €4,328 spread on the same certified stone. Taylor and Hart lists it at €5,970. 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

2.57

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.6°

Pavilion angle31.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG790645996

Dimensions9.85 × 6.95 × 4.48 mm

L/W Ratio1.42

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 LG790645996

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: €4,856 EUR|Low: €1,642 EUR|High: €6,419 EUR|Avg: €3,490 EUR|-11.5%

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

Taylor and Hart

November 1, 2026

Retailer 2€1,642 EUR

Retailer 3€1,701 EUR

Retailer 9€1,720 EUR

Retailer 13€1,853 EUR

Retailer 5€1,928 EUR

Retailer 10€2,410 EUR

Retailer 12€2,433 EUR

Retailer 4€2,624 EUR

Retailer 6€3,519 EUR

Retailer 8€4,037 EUR

Retailer 11€4,387 EUR

Retailer 15€4,583 EUR

Retailer 1€4,856 EUR

Retailer 14€5,175 EUR

Retailer 7€5,685 EUR

Taylor and Hart€5,970 EUR

40 data points across 16 retailers

16 retailers€1,642 EUR to €5,970 EUR

Cheapest Retailer

€1,642 EUR

$1,834 USD

Final sale: no returns

Retailer 2

€1,701 EUR

$1,900 USD

View

Price last confirmed 19 days ago

Retailer 3

€1,720 EUR

£1,513 GBP

View

Retailer 4

€1,853 EUR

$2,070 USD

View

Retailer 5

€1,928 EUR

$2,154 USD

View

Retailer 6

€2,410 EUR

£2,120 GBP

View

Retailer 7

€2,433 EUR

$2,718 USD

View

Retailer 8

€2,624 EUR

$2,931 USD

View

B+

Retailer 9

€3,519 EUR

£3,096 GBP

View

B+

Retailer 10

€4,037 EUR

A$6,938 AUD

View

B+

Retailer 11

€4,387 EUR

ZAR 79,185 ZAR

View

B+

Retailer 12

€4,583 EUR

$5,120 USD

View

B+

Retailer 13

€4,856 EUR

£4,272 GBP

View

Retailer 14

€5,175 EUR

$5,782 USD

View

B+

Retailer 15

€5,685 EUR

SGD 8,583 SGD

View

Most Expensive

Taylor and Hart

Y9RBHW7 · Oct 31

€5,970 EUR

$6,670 USD

View

15 more retailers have this diamond

Prices start from €1,642 EURSave up to €4,328 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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2.57ct Cushion

€1,642 EUR