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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 HK$9,527 HKD
A$1,868 AUD
As of October 29, 2026
11 retailers carry this diamond
Most expensive: HK$17,349 HKD 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: HK$17,349 HKD|Low: HK$3,625 HKD|High: HK$21,006 HKD|Avg: HK$8,088 HKD|-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 12HK$3,774 HKD
Retailer 10HK$4,087 HKD
Retailer 15HK$4,221 HKD
Retailer 7HK$4,488 HKD
Retailer 5HK$4,676 HKD
Retailer 13HK$4,676 HKD
Retailer 11HK$6,277 HKD
Retailer 8HK$7,135 HKD
Retailer 9HK$7,739 HKD
Retailer 4HK$7,886 HKD
Retailer 2HK$9,527 HKD
Retailer 3HK$10,138 HKD
Retailer 14HK$11,613 HKD
Retailer 6HK$15,042 HKD
MOH LondonHK$17,349 HKD

33 data points across 15 retailers

11 retailers

A
Retailer 1
-
HK$3,774 HKD
$481 USD
Price last confirmed 18 days ago
A
Retailer 2
-
HK$4,087 HKD
£410 GBP
View
Price last confirmed 16 days ago
A
Retailer 3
-
HK$4,488 HKD
$572 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
HK$4,676 HKD
$596 USD
View
Price last confirmed 24 days ago
A
Retailer 5
-
HK$4,676 HKD
$596 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
HK$6,277 HKD
$800 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
HK$7,739 HKD
£777 GBP
View
Price last confirmed 16 days ago
B+
Retailer 8
-
HK$9,527 HKD
A$1,868 AUD
View
B+
Retailer 9
-
HK$11,613 HKD
$1,480 USD
View
Price last confirmed 16 days ago
B
Retailer 10
-
HK$15,042 HKD
$1,917 USD
View
Price last confirmed 22 days ago
Most Expensive
B
MOH London
LG815643590 · Oct 8
HK$17,349 HKD
£1,741 GBP
View
Price last confirmed 21 days ago
10 more retailers have this diamond
Prices start from HK$9,527 HKD

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
HK$9,527 HKD