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Oval|Lab Grown|IGI

4.20ct F VS2 Oval Lab Grown Diamond

EX • F/VS2 • IGI LG843643654

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843643654

Diamond specifications and retailer prices

From HK$4,449 HKD
$567 USD
As of October 29, 2026
Save HK$23,168 HKD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$27,617 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.2ct lab-grown oval diamond

This 4.2ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843643654 or 843643654. Listed at 17 retailers as of October 28, 2026, with prices from HK$4,449 to HK$27,617, a HK$23,168 spread on the same certified stone. Brilliant Earth lists it at HK$27,617. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.20
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843643654
Dimensions12.77 × 9.02 × 5.59 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.77 mm9.02 mm4.20 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843643654
Side View
Table 59.0%Crown 35.6°Girdle: THK-VTKPavilion 39.5°Culet: NoneDepth 62.0%

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$27,617 HKD|Low: HK$4,449 HKD|High: HK$27,617 HKD|Avg: HK$12,193 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
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 15HK$4,449 HKD
Retailer 10HK$4,757 HKD
Retailer 8HK$4,982 HKD
Retailer 12HK$4,982 HKD
Retailer 6HK$5,516 HKD
Retailer 17HK$6,551 HKD
Retailer 14HK$8,489 HKD
Retailer 11HK$8,609 HKD
Retailer 13HK$8,630 HKD
Retailer 3HK$12,663 HKD
Retailer 16HK$13,683 HKD
Retailer 5HK$14,507 HKD
Retailer 4HK$17,755 HKD
Retailer 7HK$17,873 HKD
Retailer 2HK$23,944 HKD
Retailer 9HK$25,145 HKD
Brilliant EarthHK$27,617 HKD

12 data points across 17 retailers

17 retailersHK$4,449 HKD to HK$27,617 HKD

A
Cheapest Retailer
-
HK$4,449 HKD
$567 USD
A
Retailer 2
-
HK$4,757 HKD
£477 GBP
View
A
Retailer 3
-
HK$4,982 HKD
$635 USD
View
A
Retailer 4
-
HK$4,982 HKD
$635 USD
View
Final sale: no returns
A
Retailer 5
-
HK$5,516 HKD
$703 USD
View
A
Retailer 6
-
HK$6,551 HKD
$835 USD
View
B+
Retailer 7
-
HK$8,489 HKD
$1,082 USD
View
A
Retailer 8
-
HK$8,609 HKD
£864 GBP
View
A
Retailer 9
-
HK$8,630 HKD
$1,100 USD
View
B+
Retailer 10
-
HK$12,663 HKD
$1,614 USD
View
B+
Retailer 11
-
HK$13,683 HKD
$1,744 USD
View
B+
Retailer 12
-
HK$14,507 HKD
$1,849 USD
View
B+
Retailer 13
-
HK$17,755 HKD
$2,263 USD
View
B+
Retailer 14
-
HK$17,873 HKD
$2,278 USD
View
B
Retailer 15
-
HK$23,944 HKD
£2,403 GBP
View
Retailer 16
-
HK$25,145 HKD
$3,205 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
22219886A · Oct 28
HK$27,617 HKD
$3,520 USD
View
16 more retailers have this diamond
Prices start from HK$4,449 HKDSave up to HK$23,168 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
4.20ct Oval
HK$4,449 HKD