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Oval|Lab Grown|IGI

4.21ct F VS2 Oval Lab Grown Diamond

EX • F/VS2 • IGI LG826694860

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG826694860

Diamond specifications and retailer prices

From HK$4,998 HKD
$637 USD
As of October 29, 2026
Save HK$24,999 HKD (83%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$29,997 HKD at Frank Darling · As of October 26, 2026
View at Frank Darling

About this 4.21ct lab-grown oval diamond

This 4.21ct 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 LG826694860 or 826694860. Listed at 5 retailers as of October 26, 2026, with prices from HK$4,998 to HK$29,997, a HK$24,999 spread on the same certified stone. Frank Darling lists it at HK$29,997. 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

4.21
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826694860
Dimensions12.93 × 9.42 × 5.61 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.93 mm9.42 mm4.21 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826694860
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.6%

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$29,997 HKD|Low: HK$4,998 HKD|High: HK$29,998 HKD|Avg: HK$14,461 HKD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 2HK$4,998 HKD
Retailer 6HK$6,551 HKD
Retailer 3HK$6,928 HKD
Retailer 5HK$8,613 HKD
Retailer 9HK$12,710 HKD
Retailer 8HK$13,118 HKD
Retailer 4HK$24,479 HKD
Retailer 7HK$28,558 HKD
Frank DarlingHK$29,997 HKD

16 data points across 9 retailers

5 retailersHK$4,998 HKD to HK$29,997 HKD

A
Cheapest Retailer
-
HK$4,998 HKD
$637 USD
Final sale: no returns
B+
Retailer 2
-
HK$6,928 HKD
$883 USD
View
Retailer 3
-
HK$24,479 HKD
$3,120 USD
View
Price last confirmed 14 days ago
Retailer 4
-
HK$28,558 HKD
$3,640 USD
View
Price last confirmed 34 days ago
Most Expensive
B
Frank Darling
100191234099KD · Oct 26
HK$29,997 HKD
$3,823 USD
View
4 more retailers have this diamond
Prices start from HK$4,998 HKDSave up to HK$24,999 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
4.21ct Oval
HK$4,998 HKD