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Oval|Lab Grown|IGI

4.09ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG743506746

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG743506746

Diamond specifications and retailer prices

From $699 AUD
$491 USD
As of October 29, 2026
Save $4,383 AUD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,082 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.09ct lab-grown oval diamond

This 4.09ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG743506746 or 743506746. Listed at 16 retailers as of October 29, 2026, with prices from $699 to $5,082, a $4,383 spread on the same certified stone. Brilliant Earth lists it at $5,082. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.09
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743506746
Dimensions12.49 × 8.80 × 5.58 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.49 mm8.80 mm4.09 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743506746
Side View
Table 63.0%Crown 41.1°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
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 29
Current: $5,082 AUD|Low: $671 AUD|High: $5,082 AUD|Avg: $1,610 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
October 31, 2026
Retailer 12$699 AUD
Retailer 7$726 AUD
Retailer 6$782 AUD
Retailer 3$867 AUD
Retailer 13$867 AUD
Retailer 2$1,068 AUD
Retailer 14$1,350 AUD
Retailer 10$1,369 AUD
Retailer 8$1,441 AUD
Retailer 5$1,452 AUD
Retailer 11$2,026 AUD
Retailer 4$2,279 AUD
Retailer 9$3,623 AUD
Brilliant Earth$5,082 AUD

43 data points across 14 retailers

16 retailers$699 AUD to $5,082 AUD

A
Cheapest Retailer
-
$699 AUD
$491 USD
A
Retailer 2
-
$726 AUD
£401 GBP
View
A
Retailer 3
-
$782 AUD
$549 USD
View
Final sale: no returns
Retailer 4
-
$867 AUD
$609 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$867 AUD
$609 USD
View
A
Retailer 6
-
$1,068 AUD
$750 USD
View
B+
Retailer 7
-
$1,350 AUD
$948 USD
View
A
Retailer 8
-
$1,441 AUD
£797 GBP
View
B+
Retailer 9
-
$1,452 AUD
$1,020 USD
View
B+
Retailer 10
-
$2,026 AUD
$1,423 USD
View
B+
Retailer 11
-
$2,029 AUD
$1,425 USD
View
B
Retailer 12
-
$2,279 AUD
$1,601 USD
View
B
Retailer 13
-
$2,825 AUD
$1,985 USD
View
B
Retailer 14
-
$2,881 AUD
$2,024 USD
View
B
Retailer 15
-
$3,623 AUD
£2,004 GBP
View
Most Expensive
B
Brilliant Earth
19351468A · Oct 29
$5,082 AUD
$3,570 USD
View
15 more retailers have this diamond
Prices start from $699 AUDSave up to $4,383 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
4.09ct Oval
$699 AUD