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 $1,244 USD
As of October 30, 2026
Save $2,346 USD (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,965 USD 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 29, 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,965 USD|Low: $1,244 USD|High: $5,995 USD|Avg: $3,286 USD|-0.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2$1,244 USD
Retailer 4$1,670 USD
Retailer 5$2,030 USD
Retailer 3$3,590 USD
Retailer 6$3,783 USD
Rare Carat$5,965 USD

12 data points across 6 retailers

6 retailers$1,244 USD to $3,590 USD

A
Cheapest Retailer
-
$1,244 USD
Final sale: no returns
B+
Retailer 2
-
$1,670 USD
View
Retailer 3
-
$2,030 USD
View
Price last confirmed 19 days ago
B+
Retailer 4
-
$3,590 USD
View
Retailer 5
-
$3,783 USD
View
Price last confirmed 25 days ago
Most Expensive
Rare Carat
828642247 · Oct 19
$5,965 USD
View
Price last confirmed 12 days ago
5 more retailers have this diamond
Prices start from $1,244 USDSave up to $2,346 USD

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
$1,244 USD