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Oval|Lab Grown|IGI

4.09ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG743506746

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG743506746

Diamond specifications and retailer prices

From HK$3,852 HKD
$491 USD
As of October 29, 2026
Save HK$24,157 HKD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$28,009 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.09ct lab-grown oval diamond

This 4.09ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG743506746 or 743506746. Listed at 17 retailers as of October 29, 2026, with prices from HK$3,852 to HK$28,009, a HK$24,157 spread on the same certified stone. Brilliant Earth lists it at HK$28,009. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.09
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743506746
Dimensions12.49 × 8.80 × 5.58 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.49 mm8.80 mm4.09 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743506746
Side View
Table 63.0%Crown 41.1°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 63.4%

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$28,009 HKD|Low: HK$3,695 HKD|High: HK$28,009 HKD|Avg: HK$8,874 HKD
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
October 31, 2026
Retailer 12HK$3,852 HKD
Retailer 8HK$4,000 HKD
Retailer 6HK$4,307 HKD
Retailer 3HK$4,778 HKD
Retailer 13HK$4,778 HKD
Retailer 7HK$5,884 HKD
Retailer 2HK$7,134 HKD
Retailer 14HK$7,438 HKD
Retailer 9HK$7,942 HKD
Retailer 5HK$8,003 HKD
Retailer 11HK$11,164 HKD
Retailer 4HK$12,561 HKD
Retailer 10HK$19,968 HKD
Brilliant EarthHK$28,009 HKD

43 data points across 14 retailers

17 retailersHK$3,852 HKD to HK$28,009 HKD

A
Cheapest Retailer
-
HK$3,852 HKD
$491 USD
A
Retailer 2
-
HK$4,000 HKD
£401 GBP
View
A
Retailer 3
-
HK$4,307 HKD
$549 USD
View
Final sale: no returns
Retailer 4
-
HK$4,778 HKD
$609 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
HK$4,778 HKD
$609 USD
View
A
Retailer 6
-
HK$5,884 HKD
$750 USD
View
A
Retailer 7
-
HK$7,134 HKD
€866 EUR
View
B+
Retailer 8
-
HK$7,438 HKD
$948 USD
View
A
Retailer 9
-
HK$7,942 HKD
£797 GBP
View
B+
Retailer 10
-
HK$8,003 HKD
$1,020 USD
View
B+
Retailer 11
-
HK$11,164 HKD
$1,423 USD
View
B+
Retailer 12
-
HK$11,180 HKD
$1,425 USD
View
B
Retailer 13
-
HK$12,561 HKD
$1,601 USD
View
B
Retailer 14
-
HK$15,571 HKD
$1,985 USD
View
B
Retailer 15
-
HK$15,877 HKD
$2,024 USD
View
B
Retailer 16
-
HK$19,968 HKD
£2,004 GBP
View
Most Expensive
B
Brilliant Earth
19351468A · Oct 29
HK$28,009 HKD
$3,570 USD
View
16 more retailers have this diamond
Prices start from HK$3,852 HKDSave up to HK$24,157 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
4.09ct Oval
HK$3,852 HKD