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Oval|Lab Grown|IGI

4.01ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG685589270

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG685589270

Diamond specifications and retailer prices

From $693 CAD
£390 GBP
As of October 30, 2026
Save $2,364 CAD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,731 CAD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 4.01ct lab-grown oval diamond

This 4.01ct 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 LG685589270 or 685589270. Listed at 14 retailers as of October 29, 2026, with a 341% 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

4.01
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685589270
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm7.13 mm4.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685589270
Side View
Table 62.0%Crown 37.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.6%

Caratlytics Score

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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 30
Current: $4,731 CAD|Low: $641 CAD|High: $4,731 CAD|Avg: $1,479 CAD
Brilliant Earth
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
October 30, 2026
Retailer 14$641 CAD
Retailer 2$693 CAD
Retailer 5$747 CAD
Retailer 12$829 CAD
Retailer 13$829 CAD
Retailer 9$917 CAD
Retailer 11$1,217 CAD
Retailer 3$1,293 CAD
Retailer 6$1,296 CAD
Retailer 7$1,375 CAD
Retailer 10$2,225 CAD
Retailer 4$2,662 CAD
Retailer 8$3,057 CAD
Brilliant Earth$4,731 CAD

44 data points across 14 retailers

14 retailers$693 CAD to $3,057 CAD

Retailer 1
-
$641 CAD
$458 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$693 CAD
£390 GBP
View
Retailer 3
-
$747 CAD
$534 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$829 CAD
$592 USD
View
Price last confirmed 27 days ago
Retailer 5
-
$829 CAD
$592 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$917 CAD
$655 USD
View
B+
Retailer 7
-
$1,293 CAD
$924 USD
View
A
Retailer 8
-
$1,296 CAD
$926 USD
View
A
Retailer 9
-
$1,375 CAD
£773 GBP
View
B+
Retailer 10
-
$1,922 CAD
$1,373 USD
View
B
Retailer 11
-
$2,225 CAD
$1,590 USD
View
Retailer 12
-
$2,662 CAD
$1,902 USD
View
Price last confirmed 29 days ago
B
Retailer 13
-
$3,057 CAD
£1,720 GBP
View
Most Expensive
Brilliant Earth
15880620A · Oct 18
$4,731 CAD
$3,380 USD
View
Price last confirmed 11 days ago
13 more retailers have this diamond
Prices start from $693 CADSave up to $2,364 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
4.01ct Oval
$693 CAD