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Oval|Lab Grown|IGI

4.02ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG797665336

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG797665336

Diamond specifications and retailer prices

From $1,377 AUD
$967 USD
As of October 30, 2026
Save $4,489 AUD (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,865 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.02ct lab-grown oval diamond

This 4.02ct 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 LG797665336 or 797665336. Listed at 8 retailers as of October 29, 2026, with prices from $1,377 to $5,865, a $4,489 spread on the same certified stone. Brilliant Earth lists it at $5,865. 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

4.02
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797665336
Dimensions12.34 × 9.12 × 5.38 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.34 mm9.12 mm4.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797665336
Side View
Table 55.0%Crown 36.6°Girdle: STK-THKPavilion 34°Culet: NoneDepth 59.0%

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 30
Current: $5,865 AUD|Low: $1,325 AUD|High: $5,865 AUD|Avg: $2,387 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 8$1,377 AUD
Retailer 2$1,415 AUD
Retailer 6$1,426 AUD
Retailer 5$1,489 AUD
Retailer 4$1,960 AUD
Retailer 7$1,983 AUD
Retailer 9$3,459 AUD
Retailer 3$3,864 AUD
Brilliant Earth$5,865 AUD

41 data points across 9 retailers

8 retailers$1,377 AUD to $5,865 AUD

A
Cheapest Retailer
-
$1,377 AUD
$967 USD
A
Retailer 2
-
$1,415 AUD
£783 GBP
View
B+
Retailer 3
-
$1,426 AUD
$1,002 USD
View
B+
Retailer 4
-
$1,960 AUD
View
B+
Retailer 5
-
$1,983 AUD
$1,393 USD
View
Retailer 6
-
$3,459 AUD
$2,430 USD
View
Price last confirmed 38 days ago
B
Retailer 7
-
$3,864 AUD
£2,137 GBP
View
Most Expensive
B
Brilliant Earth
19658994A · Oct 29
$5,865 AUD
$4,120 USD
View
7 more retailers have this diamond
Prices start from $1,377 AUDSave up to $4,489 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
4.02ct Oval
$1,377 AUD