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Oval|Lab Grown|IGI

4.08ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG645467628

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG645467628

Diamond specifications and retailer prices

From €418 EUR
£368 GBP
As of October 28, 2026
Save €840 EUR (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,258 EUR at Adiamor · As of October 28, 2026
View at Adiamor

About this 4.08ct lab-grown oval diamond

This 4.08ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG645467628 or 645467628. Listed at 6 retailers as of October 28, 2026, with prices from €418 to €1,258, a €840 spread on the same certified stone. Adiamor lists it at €1,258. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.08
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645467628
Dimensions13.42 × 8.91 × 5.51 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.42 mm8.91 mm4.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645467628
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
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: Oct 28
Current: €1,258 EUR|Low: €418 EUR|High: €6,552 EUR|Avg: €2,030 EUR
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 5€418 EUR
Retailer 6€450 EUR
Retailer 3€550 EUR
Retailer 2€806 EUR
Retailer 4€819 EUR
Retailer 7€1,158 EUR
Adiamor€1,258 EUR
Retailer 9€3,151 EUR
Retailer 10€4,811 EUR
Retailer 8€6,552 EUR

2 data points across 10 retailers

6 retailers€418 EUR to €1,258 EUR

A
Cheapest Retailer
-
€418 EUR
£368 GBP
A
Retailer 2
-
€450 EUR
$503 USD
View
A
Retailer 3
-
€550 EUR
HK$4,800 HKD
View
A
Retailer 4
-
€806 EUR
$901 USD
View
A
Retailer 5
-
€819 EUR
£720 GBP
View
Most Expensive
B+
Adiamor
D-82827916 · Oct 28
€1,258 EUR
$1,405 USD
View
5 more retailers have this diamond
Prices start from €418 EURSave up to €840 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
4.08ct Oval
€418 EUR