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Round|Lab Grown|IGI

4.18ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG605378034

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605378034

Diamond specifications and retailer prices

From €1,916 EUR
$2,141 USD
As of November 1, 2026
Save €9,429 EUR (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €11,345 EUR at With Clarity · As of October 31, 2026
View at With Clarity

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 LG605378034 or 605378034. Listed at 24 retailers as of October 31, 2026, with prices from €1,916 to €11,345, a €9,429 spread on the same certified stone. With Clarity lists it at €11,345. 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
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605378034
Dimensions10.34 × 10.37 × 6.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.34 mm10.37 mm4.18 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605378034
Side View
Table 59.0%Crown 33.9°Girdle: MediumPavilion 41°Culet: NoneDepth 61.1%

Caratlytics Score

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A
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: Nov 1
Current: €6,033 EUR|Low: €1,840 EUR|High: €10,365 EUR|Avg: €3,812 EUR
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
Retailer 16
November 1, 2026
Retailer 2€1,916 EUR
Retailer 7€2,086 EUR
Retailer 5€2,146 EUR
Retailer 4€2,223 EUR
Retailer 15€2,372 EUR
Retailer 6€2,436 EUR
Retailer 11€3,023 EUR
Retailer 8€3,056 EUR
Retailer 16€3,485 EUR
Retailer 12€3,519 EUR
Retailer 9€3,670 EUR
Retailer 14€4,733 EUR
Retailer 10€4,763 EUR
Retailer 3€5,742 EUR
Retailer 1€6,033 EUR
Retailer 13€8,727 EUR

42 data points across 16 retailers

24 retailers€1,916 EUR to €11,345 EUR

A
Cheapest Retailer
-
€1,916 EUR
$2,141 USD
A
Retailer 2
-
€2,086 EUR
$2,330 USD
View
A
Retailer 3
-
€2,146 EUR
$2,398 USD
View
Final sale: no returns
A
Retailer 4
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€2,146 EUR
$2,398 USD
View
Final sale: no returns
Retailer 5
-
€2,223 EUR
$2,484 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
€2,223 EUR
$2,484 USD
View
A
Retailer 7
-
€2,372 EUR
$2,650 USD
View
A
Retailer 8
-
€2,436 EUR
$2,721 USD
View
A
Retailer 9
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€3,023 EUR
£2,659 GBP
View
A
Retailer 10
-
€3,056 EUR
$3,414 USD
View
A
Retailer 11
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€3,485 EUR
$3,893 USD
View
A
Retailer 12
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€3,519 EUR
View
Retailer 13
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€3,670 EUR
$4,100 USD
View
A
Retailer 14
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€3,860 EUR
$4,312 USD
View
A
Retailer 15
-
€4,733 EUR
ZAR 85,422 ZAR
View
A
Retailer 16
-
€4,763 EUR
A$8,187 AUD
View
B+
Retailer 17
-
€5,742 EUR
$6,415 USD
View
B+
Retailer 18
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€5,991 EUR
$6,693 USD
View
B+
Retailer 19
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€6,033 EUR
£5,307 GBP
View
B+
Retailer 20
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€6,306 EUR
$7,045 USD
View
B+
Retailer 21
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€6,379 EUR
$7,127 USD
View
B+
Retailer 22
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€7,774 EUR
$8,685 USD
View
B+
Retailer 23
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€8,727 EUR
$9,750 USD
View
Most Expensive
B
With Clarity
605378034 · Oct 31
€11,345 EUR
$12,675 USD
View
23 more retailers have this diamond
Prices start from €1,916 EURSave up to €9,429 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.

A
4.18ct Round
€1,916 EUR