Cushion|Lab Grown|IGI

4.05ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG797604470

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG797604470

Diamond specifications and retailer prices

From €4,896 EUR

$5,470 USD

As of October 30, 2026

Save €10,068 EUR (67%) vs most expensive(unlock to see where)

8 retailers carry this diamond

Most expensive: €14,964 EUR at Riddles Jewelry · As of October 31, 2026

View at Riddles Jewelry

About this 4.05ct lab-grown cushion diamond

This 4.05ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG797604470 or 797604470. Listed at 8 retailers as of October 30, 2026, with prices from €4,896 to €14,964, a €10,068 spread on the same certified stone. Riddles Jewelry lists it at €14,964. 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

4.05

Carat

Color

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.2°

Pavilion angle39.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG797604470

Dimensions11.34 × 8.35 × 5.56 mm

L/W Ratio1.36

Girdle conditionFaceted

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG797604470

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30

Current: €4,886 EUR|Low: €3,838 EUR|High: €27,610 EUR|Avg: €10,609 EUR|-16.9%

Retailer 1

Retailer 2

Retailer 3

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Retailer 7

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Retailer 11

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Retailer 16

Riddles Jewelry

October 18, 2026

Retailer 1€4,886 EUR

Retailer 11€4,896 EUR

Retailer 10€5,204 EUR

Retailer 14€5,387 EUR

Retailer 8€5,420 EUR

Retailer 16€5,881 EUR

Retailer 15€7,091 EUR

Retailer 2€7,339 EUR

Retailer 3€8,459 EUR

Retailer 9€9,398 EUR

Retailer 6€11,718 EUR

Retailer 13€13,557 EUR

Retailer 12€14,308 EUR

Riddles Jewelry€14,964 EUR

Retailer 5€15,482 EUR

Retailer 7€19,791 EUR

Retailer 4€27,610 EUR

9 data points across 17 retailers

8 retailers€4,896 EUR to €14,964 EUR

Retailer 1

€4,886 EUR

$5,459 USD

Price last confirmed 10 days ago

Retailer 2

€4,896 EUR

$5,470 USD

View

Retailer 3

€5,204 EUR

CA$8,075 CAD

View

Retailer 4

€5,387 EUR

$6,018 USD

View

Final sale: no returns

B+

Retailer 5

€9,398 EUR

$10,500 USD

View

Retailer 6

€13,557 EUR

$15,146 USD

View

Retailer 7

€14,308 EUR

$15,985 USD

View

Most Expensive

Riddles Jewelry

1976264165 · Oct 31

€14,964 EUR

$16,718 USD

View

7 more retailers have this diamond

Prices start from €4,896 EURSave up to €10,068 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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4.05ct Cushion

€4,896 EUR