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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 $703 AUD
£389 GBP
As of November 1, 2026
Save $2,407 AUD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,812 AUD 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 342% 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
Colour
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

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: Nov 1
Current: $4,812 AUD|Low: $652 AUD|High: $4,812 AUD|Avg: $1,512 AUD
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
November 1, 2026
Retailer 14$652 AUD
Retailer 2$703 AUD
Retailer 5$760 AUD
Retailer 12$843 AUD
Retailer 13$843 AUD
Retailer 8$1,039 AUD
Retailer 11$1,238 AUD
Retailer 3$1,315 AUD
Retailer 6$1,318 AUD
Retailer 7$1,398 AUD
Retailer 10$2,264 AUD
Retailer 4$2,708 AUD
Retailer 9$3,110 AUD
Brilliant Earth$4,812 AUD

45 data points across 14 retailers

14 retailers$703 AUD to $3,110 AUD

Retailer 1
-
$652 AUD
$458 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$703 AUD
£389 GBP
View
Retailer 3
-
$760 AUD
$534 USD
View
Price last confirmed 36 days ago
Retailer 4
-
$843 AUD
$592 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$843 AUD
$592 USD
View
Price last confirmed 15 days ago
B+
Retailer 6
-
$1,039 AUD
$730 USD
View
B+
Retailer 7
-
$1,315 AUD
$924 USD
View
A
Retailer 8
-
$1,318 AUD
$926 USD
View
A
Retailer 9
-
$1,398 AUD
£773 GBP
View
B+
Retailer 10
-
$1,955 AUD
$1,373 USD
View
B
Retailer 11
-
$2,264 AUD
$1,590 USD
View
Retailer 12
-
$2,708 AUD
$1,902 USD
View
Price last confirmed 31 days ago
B
Retailer 13
-
$3,110 AUD
£1,720 GBP
View
Most Expensive
Brilliant Earth
15880620A · Oct 18
$4,812 AUD
$3,380 USD
View
Price last confirmed 13 days ago
13 more retailers have this diamond
Prices start from $703 AUDSave up to $2,407 AUD

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
$703 AUD