Oval|Lab Grown|IGI

4.02ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG819657734

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG819657734

Diamond specifications and retailer prices

From HK$9,781 HKD
A$1,918 AUD
As of October 31, 2026
10 retailers carry this diamond
Most expensive: HK$26,597 HKD at Brilliant Earth · As of October 4, 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 LG819657734 or 819657734. Listed at 10 retailers as of October 31, 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

4.02
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819657734
Dimensions12.79 × 8.96 × 5.51 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.79 mm8.96 mm4.02 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819657734
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.5%

Caratlytics Score

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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 31
Current: HK$26,597 HKD|Low: HK$3,185 HKD|High: HK$27,381 HKD|Avg: HK$10,191 HKD|-2.9%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 17HK$3,185 HKD
Retailer 15HK$3,703 HKD
Retailer 7HK$3,978 HKD
Retailer 8HK$4,347 HKD
Retailer 6HK$4,401 HKD
Retailer 12HK$5,257 HKD
Retailer 10HK$5,900 HKD
Retailer 16HK$6,755 HKD
Retailer 4HK$6,779 HKD
Retailer 11HK$7,027 HKD
Retailer 18HK$9,070 HKD
Retailer 2HK$9,781 HKD
Retailer 3HK$10,670 HKD
Retailer 13HK$13,473 HKD
Retailer 5HK$14,161 HKD
Retailer 14HK$15,235 HKD
Retailer 9HK$19,231 HKD
Brilliant EarthHK$26,597 HKD

19 data points across 18 retailers

10 retailers

Retailer 1
-
HK$3,185 HKD
$406 USD
Price last confirmed 24 days ago
Retailer 2
-
HK$3,978 HKD
$507 USD
View
Price last confirmed 36 days ago
Retailer 3
-
HK$4,347 HKD
$554 USD
View
Price last confirmed 32 days ago
Retailer 4
-
HK$9,070 HKD
$1,156 USD
View
Price last confirmed 24 days ago
B+
Retailer 5
-
HK$9,781 HKD
A$1,918 AUD
View
Retailer 6
-
HK$13,473 HKD
$1,717 USD
View
Price last confirmed 23 days ago
Retailer 7
-
HK$14,161 HKD
$1,805 USD
View
Price last confirmed 34 days ago
Retailer 8
-
HK$15,235 HKD
£1,529 GBP
View
Price last confirmed 23 days ago
Retailer 9
-
HK$19,231 HKD
$2,451 USD
View
Price last confirmed 39 days ago
Most Expensive
Brilliant Earth
20879826A · Oct 4
HK$26,597 HKD
$3,390 USD
View
Price last confirmed 27 days ago
9 more retailers have this diamond
Prices start from HK$9,781 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.

B+
4.02ct Oval
HK$9,781 HKD