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Oval|Lab Grown|IGI

4.00ct E SI2 Oval Lab Grown Diamond

ID • E/SI2 • IGI LG815643590

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG815643590

Diamond specifications and retailer prices

From $1,728 AUD
As of October 29, 2026
11 retailers carry this diamond
Most expensive: $3,147 AUD at MOH London · As of October 8, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG815643590 or 815643590. Listed at 11 retailers as of October 29, 2026. 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
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815643590
Dimensions12.65 × 9.05 × 5.24 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.65 mm9.05 mm4.00 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815643590
Side View
Table 62.0%Crown 36.2°Girdle: STK-VTKPavilion 37.4°Culet: NoneDepth 57.9%

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 29
Current: $3,147 AUD|Low: $658 AUD|High: $3,811 AUD|Avg: $1,467 AUD|-17.3%
MOH London
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
Retailer 15
October 29, 2026
Retailer 12$685 AUD
Retailer 10$741 AUD
Retailer 15$766 AUD
Retailer 7$814 AUD
Retailer 5$848 AUD
Retailer 13$848 AUD
Retailer 11$1,139 AUD
Retailer 8$1,294 AUD
Retailer 9$1,404 AUD
Retailer 4$1,431 AUD
Retailer 2$1,728 AUD
Retailer 3$1,839 AUD
Retailer 14$2,107 AUD
Retailer 6$2,729 AUD
MOH London$3,147 AUD

33 data points across 15 retailers

11 retailers

A
Retailer 1
-
$685 AUD
$481 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$741 AUD
£410 GBP
View
Price last confirmed 16 days ago
A
Retailer 3
-
$814 AUD
$572 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$848 AUD
$596 USD
View
Price last confirmed 24 days ago
A
Retailer 5
-
$848 AUD
$596 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$1,139 AUD
$800 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$1,404 AUD
£777 GBP
View
Price last confirmed 16 days ago
B+
Retailer 8
-
$1,728 AUD
View
B+
Retailer 9
-
$2,107 AUD
$1,480 USD
View
Price last confirmed 16 days ago
B
Retailer 10
-
$2,729 AUD
$1,917 USD
View
Price last confirmed 22 days ago
Most Expensive
B
MOH London
LG815643590 · Oct 8
$3,147 AUD
£1,741 GBP
View
Price last confirmed 21 days ago
10 more retailers have this diamond
Prices start from $1,728 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
4.00ct Oval
$1,728 AUD