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 €1,648 EUR

$1,834 USD

As of October 28, 2026

Save €4,345 EUR (73%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: €5,993 EUR at Taylor and Hart · As of October 27, 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 27, 2026, with prices from €1,648 to €5,993, a €4,345 spread on the same certified stone. Taylor and Hart lists it at €5,993. 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

Colour

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 28

Current: €2,419 EUR|Low: €1,648 EUR|High: €6,443 EUR|Avg: €3,514 EUR|-8.8%

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

October 29, 2026

Retailer 2€1,648 EUR

Retailer 3€1,707 EUR

Retailer 9€1,736 EUR

Retailer 13€1,860 EUR

Retailer 5€1,935 EUR

Retailer 1€2,419 EUR

Retailer 10€2,442 EUR

Retailer 4€2,633 EUR

Retailer 6€3,533 EUR

Retailer 12€4,059 EUR

Retailer 8€4,404 EUR

Retailer 15€4,600 EUR

Retailer 11€4,881 EUR

Retailer 14€5,195 EUR

Retailer 7€5,707 EUR

Taylor and Hart€5,993 EUR

41 data points across 16 retailers

16 retailers€1,648 EUR to €5,993 EUR

Cheapest Retailer

€1,648 EUR

$1,834 USD

Final sale: no returns

Retailer 2

€1,707 EUR

$1,900 USD

View

Price last confirmed 17 days ago

Retailer 3

€1,736 EUR

£1,522 GBP

View

Retailer 4

€1,860 EUR

$2,070 USD

View

Retailer 5

€1,935 EUR

$2,154 USD

View

Retailer 6

€2,419 EUR

£2,120 GBP

View

Retailer 7

€2,442 EUR

$2,718 USD

View

Retailer 8

€2,633 EUR

$2,931 USD

View

B+

Retailer 9

€3,533 EUR

£3,096 GBP

View

Retailer 10

€4,059 EUR

A$6,950 AUD

View

Price last confirmed 7 days ago

B+

Retailer 11

€4,404 EUR

ZAR 79,185 ZAR

View

B+

Retailer 12

€4,600 EUR

$5,120 USD

View

B+

Retailer 13

€4,881 EUR

£4,278 GBP

View

Retailer 14

€5,195 EUR

$5,782 USD

View

B+

Retailer 15

€5,707 EUR

SGD 8,583 SGD

View

Most Expensive

Taylor and Hart

Y9RBHW7 · Oct 27

€5,993 EUR

$6,670 USD

View

15 more retailers have this diamond

Prices start from €1,648 EURSave up to €4,345 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

€1,648 EUR