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Oval|Lab Grown|IGI

4.05ct E SI2 Oval Lab Grown Diamond

VG • E/SI2 • IGI LG839647951

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839647951

Diamond specifications and retailer prices

From €555 EUR
£488 GBP
As of October 27, 2026
Save €2,551 EUR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,106 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.05ct lab-grown oval diamond

This 4.05ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG839647951 or 839647951. Listed at 11 retailers as of October 27, 2026, with prices from €555 to €3,106, a €2,551 spread on the same certified stone. Brilliant Earth lists it at €3,106. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.05
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839647951
Dimensions12.44 × 8.87 × 5.77 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.44 mm8.87 mm4.05 ctE / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839647951
Side View
Table 59.0%Crown 33.5°Girdle: STK-THKPavilion 42°Culet: NoneDepth 65.1%

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: Oct 27
Current: €3,106 EUR|Low: €554 EUR|High: €4,440 EUR|Avg: €2,138 EUR|-30.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2€555 EUR
Retailer 10€579 EUR
Retailer 9€699 EUR
Retailer 6€988 EUR
Retailer 5€996 EUR
Retailer 4€1,442 EUR
Retailer 7€1,592 EUR
Retailer 3€1,970 EUR
Retailer 11€2,030 EUR
Retailer 12€2,439 EUR
Retailer 8€2,790 EUR
Brilliant Earth€3,106 EUR

27 data points across 12 retailers

11 retailers€555 EUR to €3,106 EUR

A
Cheapest Retailer
-
€555 EUR
£488 GBP
A
Retailer 2
-
€579 EUR
$647 USD
View
Final sale: no returns
A
Retailer 3
-
€699 EUR
HK$6,100 HKD
View
B+
Retailer 4
-
€988 EUR
$1,104 USD
View
B+
Retailer 5
-
€996 EUR
£877 GBP
View
B
Retailer 6
-
€1,442 EUR
$1,611 USD
View
B+
Retailer 7
-
€1,592 EUR
$1,779 USD
View
B
Retailer 8
-
€2,030 EUR
SGD 3,065 SGD
View
Retailer 9
-
€2,439 EUR
$2,725 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
€2,790 EUR
£2,454 GBP
View
Most Expensive
B
Brilliant Earth
21808562A · Oct 30
€3,106 EUR
$3,470 USD
View
10 more retailers have this diamond
Prices start from €555 EURSave up to €2,551 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
4.05ct Oval
€555 EUR