Oval|Lab Grown|IGI

4.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG844635982

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG844635982

Diamond specifications and retailer prices

From €398 EUR
$445 USD
As of October 29, 2026
Save €1,424 EUR (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,193 EUR at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 4ct lab-grown oval diamond

This 4ct 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 LG844635982 or 844635982. Listed at 17 retailers as of October 29, 2026, with a 357% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844635982
Dimensions13.28 × 8.80 × 5.20 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.28 mm8.80 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844635982
Side View
Table 63.0%Crown 32.7°Girdle: STK-VTKPavilion 38.7°Culet: NoneDepth 59.1%

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 29
Current: €2,193 EUR|Low: €398 EUR|High: €2,193 EUR|Avg: €1,164 EUR
Rare Carat
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 17€398 EUR
Retailer 16€413 EUR
Retailer 3€445 EUR
Retailer 11€446 EUR
Retailer 13€622 EUR
Retailer 8€662 EUR
Retailer 2€764 EUR
Retailer 12€816 EUR
Retailer 5€863 EUR
Retailer 7€1,213 EUR
Retailer 14€1,327 EUR
Retailer 6€1,566 EUR
Retailer 10€1,586 EUR
Retailer 9€1,616 EUR
Retailer 15€1,685 EUR
Retailer 4€1,822 EUR
Rare Carat€2,193 EUR

18 data points across 17 retailers

17 retailers€398 EUR to €1,822 EUR

A
Cheapest Retailer
-
€398 EUR
$445 USD
A
Retailer 2
-
€413 EUR
£364 GBP
View
A
Retailer 3
-
€445 EUR
$497 USD
View
Final sale: no returns
A
Retailer 4
-
€446 EUR
$498 USD
View
A
Retailer 5
-
€622 EUR
$695 USD
View
B+
Retailer 6
-
€662 EUR
$740 USD
View
A
Retailer 7
-
€764 EUR
View
A
Retailer 8
-
€816 EUR
£718 GBP
View
A
Retailer 9
-
€863 EUR
$964 USD
View
B+
Retailer 10
-
€1,213 EUR
$1,355 USD
View
B+
Retailer 11
-
€1,327 EUR
$1,482 USD
View
B+
Retailer 12
-
€1,566 EUR
SGD 2,365 SGD
View
B+
Retailer 13
-
€1,586 EUR
$1,772 USD
View
B+
Retailer 14
-
€1,616 EUR
$1,805 USD
View
B
Retailer 15
-
€1,685 EUR
$1,882 USD
View
B
Retailer 16
-
€1,822 EUR
£1,603 GBP
View
Most Expensive
Rare Carat
42A844635982 · Oct 18
€2,193 EUR
$2,450 USD
View
Price last confirmed 13 days ago
16 more retailers have this diamond
Prices start from €398 EURSave up to €1,424 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
4.00ct Oval
€398 EUR