Cushion|Lab Grown|IGI

4.09ct F IF Cushion Lab Grown Diamond

EX • F/IF • IGI LG770669260

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG770669260

Diamond specifications and retailer prices

From €7,823 EUR

$8,740 USD

As of October 31, 2026

14 retailers carry this diamond

Most expensive: €9,318 EUR at Novita Diamonds · As of October 10, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770669260 or 770669260. Listed at 14 retailers as of October 31, 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

Color

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.7°

Pavilion angle39.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG770669260

Dimensions8.53 × 8.53 × 5.66 mm

L/W Ratio1.00

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 LG770669260

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 31

Current: €9,318 EUR|Low: €2,237 EUR|High: €9,337 EUR|Avg: €5,046 EUR|+1.6%

Novita Diamonds

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

Retailer 16

Retailer 17

Retailer 18

October 17, 2026

Retailer 6€2,237 EUR

Retailer 16€2,466 EUR

Retailer 3€2,518 EUR

Retailer 12€3,243 EUR

Retailer 2€3,246 EUR

Retailer 7€3,618 EUR

Retailer 11€3,672 EUR

Retailer 5€4,082 EUR

Retailer 18€4,392 EUR

Retailer 13€4,886 EUR

Retailer 10€5,258 EUR

Retailer 15€6,033 EUR

Retailer 17€6,188 EUR

Retailer 14€6,355 EUR

Retailer 8€7,752 EUR

Retailer 9€7,823 EUR

Retailer 4€8,097 EUR

Novita Diamonds€9,318 EUR

28 data points across 18 retailers

14 retailers

Retailer 1

€3,243 EUR

$3,623 USD

Price last confirmed 17 days ago

Retailer 2

€3,246 EUR

£2,855 GBP

View

Price last confirmed 16 days ago

Retailer 3

€3,618 EUR

$4,042 USD

View

Price last confirmed 17 days ago

Retailer 4

€4,082 EUR

$4,560 USD

View

Price last confirmed 13 days ago

Retailer 5

€4,392 EUR

£3,864 GBP

View

Price last confirmed 17 days ago

Retailer 6

€4,886 EUR

ZAR 88,191 ZAR

View

Price last confirmed 18 days ago

Retailer 7

€5,988 EUR

$6,690 USD

View

Price last confirmed 17 days ago

Retailer 8

€6,033 EUR

$6,740 USD

View

Price last confirmed 18 days ago

Retailer 9

€6,188 EUR

$6,913 USD

View

Price last confirmed 17 days ago

Retailer 10

€6,355 EUR

£5,590 GBP

View

Price last confirmed 18 days ago

Retailer 11

€7,752 EUR

SGD 11,703 SGD

View

Price last confirmed 16 days ago

B+

Retailer 12

€7,823 EUR

$8,740 USD

View

Retailer 13

€8,097 EUR

$9,046 USD

View

Price last confirmed 17 days ago

Most Expensive

Novita Diamonds

cert_770669260 · Oct 8

€9,318 EUR

A$16,016 AUD

View

Price last confirmed 23 days ago

13 more retailers have this diamond

Prices start from €7,823 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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4.09ct Cushion

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