Round|Lab Grown|IGI

4.18ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG839676251

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839676251

Diamond specifications and retailer prices

From €2,043 EUR

$2,283 USD

As of October 31, 2026

Save €6,728 EUR (77%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: €8,772 EUR at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 4.18ct lab-grown round diamond

This 4.18ct lab-grown round 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 LG839676251 or 839676251. Listed at 15 retailers as of October 31, 2026, with prices from €2,043 to €8,772, a €6,728 spread on the same certified stone. Brilliant Earth lists it at €8,772. 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

4.18

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.4°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG839676251

Dimensions10.31 × 10.27 × 6.37 mm

L/W Ratio1.00

Girdle conditionFaceted

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 LG839676251

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 31

Current: €8,772 EUR|Low: €2,043 EUR|High: €10,365 EUR|Avg: €4,347 EUR|-15.3%

Brilliant Earth

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

November 1, 2026

Retailer 6€2,043 EUR

Retailer 10€2,078 EUR

Retailer 12€2,265 EUR

Retailer 4€2,417 EUR

Retailer 11€2,877 EUR

Retailer 8€3,000 EUR

Retailer 14€3,328 EUR

Retailer 5€3,395 EUR

Retailer 13€4,506 EUR

Retailer 9€4,535 EUR

Retailer 7€5,691 EUR

Retailer 15€5,858 EUR

Retailer 2€6,046 EUR

Retailer 3€7,012 EUR

Brilliant Earth€8,772 EUR

21 data points across 15 retailers

15 retailers€2,043 EUR to €8,772 EUR

Cheapest Retailer

€2,043 EUR

$2,283 USD

Final sale: no returns

Retailer 2

€2,078 EUR

£1,828 GBP

View

Retailer 3

€2,265 EUR

$2,530 USD

View

Retailer 4

€2,417 EUR

HK$21,100 HKD

View

Retailer 5

€2,877 EUR

£2,531 GBP

View

Retailer 6

€3,000 EUR

$3,352 USD

View

Retailer 7

€3,328 EUR

View

Retailer 8

€3,395 EUR

$3,793 USD

View

Retailer 9

€4,506 EUR

ZAR 81,332 ZAR

View

Retailer 10

€4,535 EUR

A$7,795 AUD

View

B+

Retailer 11

€5,691 EUR

$6,358 USD

View

B+

Retailer 12

€5,858 EUR

$6,545 USD

View

B+

Retailer 13

€6,046 EUR

£5,319 GBP

View

B+

Retailer 14

€7,012 EUR

SGD 10,587 SGD

View

Most Expensive

B+

Brilliant Earth

21812860A · Oct 31

€8,772 EUR

$9,800 USD

View

14 more retailers have this diamond

Prices start from €2,043 EURSave up to €6,728 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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4.18ct Round

€2,043 EUR