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Oval|Lab Grown|IGI

4.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG771642889

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG771642889

Diamond specifications and retailer prices

From €646 EUR
$722 USD
As of October 29, 2026
Save €3,570 EUR (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €5,738 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG771642889 or 771642889. Listed at 15 retailers as of October 29, 2026, with a 552% 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771642889
Dimensions12.56 × 8.91 × 5.55 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.56 mm8.91 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771642889
Side View
Table 60.0%Crown 34.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 62.3%

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: €5,738 EUR|Low: €620 EUR|High: €5,738 EUR|Avg: €2,148 EUR
Do Amore Diamonds
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
October 31, 2026
Retailer 13€646 EUR
Retailer 4€704 EUR
Retailer 8€741 EUR
Retailer 12€944 EUR
Retailer 5€1,030 EUR
Retailer 15€1,216 EUR
Retailer 7€1,300 EUR
Retailer 2€1,617 EUR
Retailer 11€1,993 EUR
Retailer 10€2,175 EUR
Retailer 3€2,327 EUR
Retailer 6€2,957 EUR
Retailer 9€3,119 EUR
Retailer 14€4,216 EUR
Do Amore Diamonds€5,738 EUR

24 data points across 15 retailers

15 retailers€646 EUR to €4,216 EUR

A
Cheapest Retailer
-
€646 EUR
$722 USD
A
Retailer 2
-
€704 EUR
$786 USD
View
A
Retailer 3
-
€741 EUR
£652 GBP
View
A
Retailer 4
-
€944 EUR
$1,055 USD
View
B+
Retailer 5
-
€1,030 EUR
$1,151 USD
View
B+
Retailer 6
-
€1,216 EUR
$1,359 USD
View
B+
Retailer 7
-
€1,617 EUR
View
B
Retailer 8
-
€1,847 EUR
$2,063 USD
View
Retailer 9
-
€1,993 EUR
$2,227 USD
View
Price last confirmed 8 days ago
B
Retailer 10
-
€2,175 EUR
$2,430 USD
View
B
Retailer 11
-
€2,327 EUR
$2,600 USD
View
Retailer 12
-
€2,385 EUR
$2,665 USD
View
Price last confirmed 24 days ago
B
Retailer 13
-
€3,119 EUR
£2,744 GBP
View
B
Retailer 14
-
€4,216 EUR
$4,710 USD
View
Most Expensive
Do Amore Diamonds
27-7BEF8F747 · Oct 31
€5,738 EUR
$6,410 USD
View
Price under review
14 more retailers have this diamond
Prices start from €646 EURSave up to €3,570 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
€646 EUR