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Radiant|Lab Grown|IGI

6.42ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG828642247

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

Certificate IGI LG828642247

Diamond specifications and retailer prices

From HK$9,760 HKD
$1,244 USD
As of October 30, 2026
Save HK$18,405 HKD (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$46,800 HKD at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 6.42ct lab-grown radiant diamond

This 6.42ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828642247 or 828642247. Listed at 6 retailers as of October 30, 2026, with a 189% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.42
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828642247
Dimensions12.67 × 9.30 × 6.33 mm
L/W Ratio1.36
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.67 mm9.30 mm6.42 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828642247
Side View
Table 65.0%Crown 45.1°Girdle: Slightly ThickPavilion 35.7°Culet: NoneDepth 68.1%

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 30
Current: HK$46,800 HKD|Low: HK$9,760 HKD|High: HK$47,035 HKD|Avg: HK$25,783 HKD|-0.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2HK$9,760 HKD
Retailer 4HK$13,102 HKD
Retailer 5HK$15,927 HKD
Retailer 3HK$28,165 HKD
Retailer 6HK$29,680 HKD
Rare CaratHK$46,800 HKD

12 data points across 6 retailers

6 retailersHK$9,760 HKD to HK$28,165 HKD

A
Cheapest Retailer
-
HK$9,760 HKD
$1,244 USD
Final sale: no returns
B+
Retailer 2
-
HK$13,102 HKD
$1,670 USD
View
Retailer 3
-
HK$15,927 HKD
$2,030 USD
View
Price last confirmed 20 days ago
B+
Retailer 4
-
HK$28,165 HKD
$3,590 USD
View
Retailer 5
-
HK$29,680 HKD
$3,783 USD
View
Price last confirmed 26 days ago
Most Expensive
Rare Carat
828642247 · Oct 19
HK$46,800 HKD
$5,965 USD
View
Price last confirmed 13 days ago
5 more retailers have this diamond
Prices start from HK$9,760 HKDSave up to HK$18,405 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
6.42ct Radiant
HK$9,760 HKD