Cushion|Lab Grown|IGI

4.09ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG665410165

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665410165

Diamond specifications and retailer prices

From €8,664 EUR

$9,680 USD

As of October 29, 2026

3 retailers carry this diamond

Most expensive: €11,072 EUR at Novita Diamonds · As of July 4, 2026

View at Novita Diamonds

About this 4.09ct lab-grown cushion diamond

This 4.09ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG665410165 or 665410165. Listed at 3 retailers as of October 29, 2026. 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

4.09

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36°

Pavilion angle36.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG665410165

Dimensions10.52 × 8.77 × 5.74 mm

L/W Ratio1.20

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG665410165

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

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

Price History

Last verified: Oct 29

Current: €11,072 EUR|Low: €2,271 EUR|High: €28,723 EUR|Avg: €9,517 EUR|-9.2%

Novita Diamonds

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August 18, 2026

Retailer 16€2,271 EUR

Retailer 14€3,437 EUR

Retailer 3€3,898 EUR

Retailer 11€4,040 EUR

Retailer 10€4,438 EUR

Retailer 5€4,560 EUR

Retailer 2€5,170 EUR

Retailer 9€5,431 EUR

Retailer 15€5,787 EUR

Retailer 7€7,148 EUR

Retailer 12€8,664 EUR

Retailer 13€9,070 EUR

Novita Diamonds€11,072 EUR

Retailer 8€12,749 EUR

Retailer 6€12,795 EUR

Retailer 4€19,540 EUR

72 data points across 16 retailers

3 retailers

Retailer 1

€5,431 EUR

$6,067 USD

Price last confirmed 73 days ago

B+

Retailer 2

€8,664 EUR

$9,680 USD

View

Most Expensive

Novita Diamonds

cert_665410165 · Jul 4

€11,072 EUR

A$19,030 AUD

View

Price last confirmed 118 days ago

2 more retailers have this diamond

Prices start from €8,664 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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B+

4.09ct Cushion

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