CaratHunter
Plans
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 $2,141 USD
As of November 1, 2026
Save $10,534 USD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $12,675 USD 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 $2,141 to $12,675, a $10,534 spread on the same certified stone. With Clarity lists it at $12,675. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,740 USD|Low: $2,056 USD|High: $11,580 USD|Avg: $4,258 USD
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$2,141 USD
Retailer 7$2,330 USD
Retailer 5$2,398 USD
Retailer 4$2,484 USD
Retailer 15$2,650 USD
Retailer 6$2,721 USD
Retailer 11$3,377 USD
Retailer 8$3,414 USD
Retailer 16$3,893 USD
Retailer 12$3,931 USD
Retailer 9$4,100 USD
Retailer 14$5,288 USD
Retailer 10$5,322 USD
Retailer 3$6,415 USD
Retailer 1$6,740 USD
Retailer 13$9,750 USD

42 data points across 16 retailers

24 retailers$2,141 USD to $12,675 USD

A
Cheapest Retailer
-
$2,141 USD
A
Retailer 2
-
$2,330 USD
View
A
Retailer 3
-
$2,398 USD
View
Final sale: no returns
A
Retailer 4
-
$2,398 USD
View
Final sale: no returns
Retailer 5
-
$2,484 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$2,484 USD
View
A
Retailer 7
-
$2,650 USD
View
A
Retailer 8
-
$2,721 USD
View
A
Retailer 9
-
$3,377 USD
£2,659 GBP
View
A
Retailer 10
-
$3,414 USD
View
A
Retailer 11
-
$3,893 USD
View
A
Retailer 12
-
$3,931 USD
€3,744 EUR
View
Retailer 13
-
$4,100 USD
View
A
Retailer 14
-
$4,312 USD
View
A
Retailer 15
-
$5,288 USD
ZAR 85,422 ZAR
View
A
Retailer 16
-
$5,322 USD
A$8,187 AUD
View
B+
Retailer 17
-
$6,415 USD
View
B+
Retailer 18
-
$6,693 USD
View
B+
Retailer 19
-
$6,740 USD
£5,307 GBP
View
B+
Retailer 20
-
$7,045 USD
View
B+
Retailer 21
-
$7,127 USD
View
B+
Retailer 22
-
$8,685 USD
View
B+
Retailer 23
-
$9,750 USD
View
Most Expensive
B
With Clarity
605378034 · Oct 31
$12,675 USD
View
23 more retailers have this diamond
Prices start from $2,141 USDSave up to $10,534 USD

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
$2,141 USD