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Radiant|Lab Grown|IGI

4.20ct H VS2 Radiant Lab Grown Diamond

ID • H/VS2 • IGI LG783605852

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG783605852

Diamond specifications and retailer prices

From HK$4,198 HKD
$535 USD
As of October 27, 2026
Save HK$34,799 HKD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$38,997 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.2ct lab-grown radiant diamond

This 4.2ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783605852 or 783605852. Listed at 15 retailers as of October 27, 2026, with prices from HK$4,198 to HK$38,997, a HK$34,799 spread on the same certified stone. Brilliant Earth lists it at HK$38,997. 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

4.20
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783605852
Dimensions10.43 × 8.52 × 5.22 mm
L/W Ratio1.22
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.43 mm8.52 mm4.20 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783605852
Side View
Table 74.0%Crown 39.9°Girdle: Slightly ThickPavilion 32.7°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: HK$38,997 HKD|Low: HK$3,350 HKD|High: HK$40,252 HKD|Avg: HK$13,652 HKD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 11HK$4,700 HKD
Retailer 7HK$5,210 HKD
Retailer 2HK$6,277 HKD
Retailer 9HK$8,050 HKD
Retailer 10HK$8,349 HKD
Retailer 3HK$9,957 HKD
Retailer 6HK$13,441 HKD
Retailer 8HK$13,692 HKD
Retailer 12HK$15,187 HKD
Retailer 4HK$16,912 HKD
Retailer 5HK$21,853 HKD
Brilliant EarthHK$38,997 HKD

19 data points across 12 retailers

15 retailersHK$4,198 HKD to HK$38,997 HKD

A
Cheapest Retailer
-
HK$4,198 HKD
$535 USD
A
Retailer 2
-
HK$4,700 HKD
$599 USD
View
Final sale: no returns
A
Retailer 3
-
HK$4,700 HKD
$599 USD
View
A
Retailer 4
-
HK$5,210 HKD
$664 USD
View
A
Retailer 5
-
HK$5,210 HKD
$664 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
HK$6,277 HKD
$800 USD
View
B+
Retailer 7
-
HK$8,050 HKD
$1,026 USD
View
A
Retailer 8
-
HK$8,349 HKD
$1,064 USD
View
A
Retailer 9
-
HK$9,957 HKD
$1,269 USD
View
B+
Retailer 10
-
HK$13,441 HKD
$1,713 USD
View
B+
Retailer 11
-
HK$13,692 HKD
$1,745 USD
View
B+
Retailer 12
-
HK$15,187 HKD
£1,524 GBP
View
B+
Retailer 13
-
HK$16,912 HKD
$2,155 USD
View
B
Retailer 14
-
HK$21,853 HKD
£2,193 GBP
View
Most Expensive
B
Brilliant Earth
18144898A · Oct 28
HK$38,997 HKD
$4,970 USD
View
14 more retailers have this diamond
Prices start from HK$4,198 HKDSave up to HK$34,799 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 Radiant
HK$4,198 HKD