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 $1,556 SGD
A$1,868 AUD
As of October 29, 2026
11 retailers carry this diamond
Most expensive: $2,834 SGD 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 →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,834 SGD|Low: $592 SGD|High: $3,431 SGD|Avg: $1,321 SGD|-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$616 SGD
Retailer 10$668 SGD
Retailer 15$690 SGD
Retailer 7$733 SGD
Retailer 5$764 SGD
Retailer 13$764 SGD
Retailer 11$1,025 SGD
Retailer 8$1,165 SGD
Retailer 9$1,264 SGD
Retailer 4$1,288 SGD
Retailer 2$1,556 SGD
Retailer 3$1,656 SGD
Retailer 14$1,897 SGD
Retailer 6$2,457 SGD
MOH London$2,834 SGD

33 data points across 15 retailers

11 retailers

Retailer 1
-
$616 SGD
$481 USD
Price last confirmed 19 days ago
Retailer 2
-
$668 SGD
£410 GBP
View
Price last confirmed 17 days ago
Retailer 3
-
$733 SGD
$572 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$764 SGD
$596 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$764 SGD
$596 USD
View
Price last confirmed 19 days ago
Retailer 6
-
$1,025 SGD
$800 USD
View
Price last confirmed 18 days ago
Retailer 7
-
$1,264 SGD
£777 GBP
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$1,556 SGD
A$1,868 AUD
View
Retailer 9
-
$1,897 SGD
$1,480 USD
View
Price last confirmed 17 days ago
Retailer 10
-
$2,457 SGD
$1,917 USD
View
Price last confirmed 22 days ago
Most Expensive
MOH London
LG815643590 · Oct 8
$2,834 SGD
£1,741 GBP
View
Price last confirmed 22 days ago
10 more retailers have this diamond
Prices start from $1,556 SGD

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.

B+
4.00ct Oval
$1,556 SGD