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Oval|Lab Grown|IGI

4.06ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG818630572

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818630572

Diamond specifications and retailer prices

From HK$3,962 HKD
$505 USD
As of October 31, 2026
Save HK$35,423 HKD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$39,385 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.06ct lab-grown oval diamond

This 4.06ct 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 LG818630572 or 818630572. Listed at 17 retailers as of October 29, 2026, with prices from HK$3,962 to HK$39,385, a HK$35,423 spread on the same certified stone. Brilliant Earth lists it at HK$39,385. 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

4.06
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818630572
Dimensions12.54 × 8.91 × 5.55 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.54 mm8.91 mm4.06 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818630572
Side View
Table 59.0%Crown 38.3°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 62.3%

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 31
Current: HK$39,385 HKD|Low: HK$2,864 HKD|High: HK$42,131 HKD|Avg: HK$11,830 HKD|-5.1%
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
October 31, 2026
Retailer 9HK$3,681 HKD
Retailer 11HK$3,962 HKD
Retailer 5HK$4,449 HKD
Retailer 8HK$5,492 HKD
Retailer 12HK$5,884 HKD
Retailer 2HK$6,846 HKD
Retailer 6HK$7,198 HKD
Retailer 4HK$10,937 HKD
Retailer 10HK$11,792 HKD
Retailer 3HK$14,352 HKD
Retailer 13HK$14,918 HKD
Retailer 7HK$16,202 HKD
Brilliant EarthHK$39,385 HKD

42 data points across 13 retailers

17 retailersHK$3,962 HKD to HK$39,385 HKD

Retailer 1
-
HK$3,585 HKD
$457 USD
Price last confirmed 32 days ago
Retailer 2
-
HK$3,681 HKD
£369 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
HK$3,962 HKD
$505 USD
View
Final sale: no returns
Retailer 4
-
HK$4,017 HKD
$512 USD
View
Price last confirmed 35 days ago
Retailer 5
-
HK$4,386 HKD
$559 USD
View
Price last confirmed 32 days ago
Retailer 6
-
HK$4,386 HKD
$559 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
HK$5,492 HKD
$700 USD
View
B+
Retailer 8
-
HK$5,884 HKD
$750 USD
View
A
Retailer 9
-
HK$6,846 HKD
€831 EUR
View
A
Retailer 10
-
HK$7,198 HKD
£722 GBP
View
B+
Retailer 11
-
HK$10,937 HKD
$1,394 USD
View
B+
Retailer 12
-
HK$11,792 HKD
$1,503 USD
View
Retailer 13
-
HK$14,295 HKD
$1,822 USD
View
Price last confirmed 31 days ago
B+
Retailer 14
-
HK$14,352 HKD
$1,829 USD
View
B
Retailer 15
-
HK$14,918 HKD
$1,901 USD
View
B
Retailer 16
-
HK$16,202 HKD
£1,626 GBP
View
Most Expensive
B
Brilliant Earth
20906828A · Oct 29
HK$39,385 HKD
$5,020 USD
View
16 more retailers have this diamond
Prices start from HK$3,962 HKDSave up to HK$35,423 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
4.06ct Oval
HK$3,962 HKD