CaratHunter
Plans
Oval|Lab Grown|IGI

4.21ct F VS2 Oval Lab Grown Diamond

EX • F/VS2 • IGI LG826611304

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG826611304

Diamond specifications and retailer prices

From HK$7,531 HKD
$960 USD
As of November 1, 2026
Save HK$46,997 HKD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$54,528 HKD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

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 LG826611304 or 826611304. Listed at 10 retailers as of November 1, 2026, with prices from HK$7,531 to HK$54,528, a HK$46,997 spread on the same certified stone. Brilliant Earth lists it at HK$54,528. 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 angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826611304
Dimensions13.05 × 9.17 × 5.72 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
13.05 mm9.17 mm4.21 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826611304
Side View
Table 56.0%Crown 35.8°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 62.4%

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: Nov 1
Current: HK$54,528 HKD|Low: HK$7,531 HKD|High: HK$54,528 HKD|Avg: HK$14,788 HKD|+1.0%
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
November 1, 2026
Retailer 10HK$7,531 HKD
Retailer 12HK$7,665 HKD
Retailer 3HK$8,527 HKD
Retailer 2HK$9,276 HKD
Retailer 9HK$10,058 HKD
Retailer 8HK$10,074 HKD
Retailer 5HK$10,199 HKD
Retailer 4HK$12,992 HKD
Retailer 13HK$14,388 HKD
Retailer 6HK$17,636 HKD
Retailer 7HK$21,597 HKD
Retailer 14HK$25,577 HKD
Retailer 11HK$30,007 HKD
Brilliant EarthHK$54,528 HKD

16 data points across 14 retailers

10 retailersHK$7,531 HKD to HK$54,528 HKD

A
Cheapest Retailer
-
HK$7,531 HKD
$960 USD
B+
Retailer 2
-
HK$7,665 HKD
$977 USD
View
A
Retailer 3
-
HK$9,070 HKD
$1,156 USD
View
A
Retailer 4
-
HK$9,276 HKD
€1,126 EUR
View
A
Retailer 5
-
HK$10,058 HKD
$1,282 USD
View
B+
Retailer 6
-
HK$14,388 HKD
$1,834 USD
View
B
Retailer 7
-
HK$21,597 HKD
A$4,235 AUD
View
Retailer 8
-
HK$25,577 HKD
$3,260 USD
View
Price last confirmed 35 days ago
B
Retailer 9
-
HK$30,007 HKD
$3,825 USD
View
Most Expensive
B
Brilliant Earth
22296043A · Nov 1
HK$54,528 HKD
$6,950 USD
View
9 more retailers have this diamond
Prices start from HK$7,531 HKDSave up to HK$46,997 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$7,531 HKD