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Oval|Lab Grown|IGI

4.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG776637371

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG776637371

Diamond specifications and retailer prices

From $1,106 CAD
$790 USD
As of October 28, 2026
Save $808 CAD (42%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,104 CAD at MOH London · As of October 11, 2026
View at MOH London

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 LG776637371 or 776637371. Listed at 5 retailers as of October 28, 2026, with a 73% 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776637371
Dimensions12.29 × 9.03 × 5.65 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.29 mm9.03 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776637371
Side View
Table 61.0%Crown 36°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.6%

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 28
Current: $3,104 CAD|Low: $1,106 CAD|High: $3,569 CAD|Avg: $1,863 CAD|-12.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 5$1,106 CAD
Retailer 2$1,292 CAD
Retailer 6$1,326 CAD
Retailer 3$1,361 CAD
Retailer 4$1,913 CAD
Retailer 7$2,788 CAD
MOH London$3,104 CAD

17 data points across 7 retailers

5 retailers$1,106 CAD to $1,913 CAD

B+
Cheapest Retailer
-
$1,106 CAD
$790 USD
A
Retailer 2
-
$1,292 CAD
$923 USD
View
A
Retailer 3
-
$1,361 CAD
£766 GBP
View
B+
Retailer 4
-
$1,913 CAD
$1,367 USD
View
Most Expensive
MOH London
LG776637371 · Oct 11
$3,104 CAD
£1,746 GBP
View
Price last confirmed 19 days ago
4 more retailers have this diamond
Prices start from $1,106 CADSave up to $808 CAD

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
$1,106 CAD