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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 $467 USD
£368 GBP
As of October 28, 2026
Save $938 USD (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,405 USD 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 $467 to $1,405, a $938 spread on the same certified stone. Adiamor lists it at $1,405. 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
Color
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: $1,405 USD|Low: $467 USD|High: $7,320 USD|Avg: $2,268 USD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 5$467 USD
Retailer 6$503 USD
Retailer 3$614 USD
Retailer 2$901 USD
Retailer 4$915 USD
Retailer 7$1,294 USD
Adiamor$1,405 USD
Retailer 9$3,521 USD
Retailer 10$5,375 USD
Retailer 8$7,320 USD

2 data points across 10 retailers

6 retailers$467 USD to $1,405 USD

A
Cheapest Retailer
-
$467 USD
£368 GBP
A
Retailer 2
-
$503 USD
View
A
Retailer 3
-
$614 USD
HK$4,800 HKD
View
A
Retailer 4
-
$901 USD
View
A
Retailer 5
-
$915 USD
£720 GBP
View
Most Expensive
B+
Adiamor
D-82827916 · Oct 28
$1,405 USD
View
5 more retailers have this diamond
Prices start from $467 USDSave up to $938 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
4.08ct Oval
$467 USD