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Radiant|Lab Grown|IGI

6.42ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG838641259

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

Certificate IGI LG838641259

Diamond specifications and retailer prices

From $1,616 AUD
$1,135 USD
As of October 29, 2026
Save $9,531 AUD (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $11,147 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG838641259 or 838641259. Listed at 4 retailers as of October 29, 2026, with prices from $1,616 to $11,147, a $9,531 spread on the same certified stone. Brilliant Earth lists it at $11,147. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838641259
Dimensions13.35 × 9.26 × 6.14 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.35 mm9.26 mm6.42 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838641259
Side View
Table 67.0%Crown 47.1°Girdle: MediumPavilion 37.7°Culet: NoneDepth 66.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $11,147 AUD|Low: $1,616 AUD|High: $21,055 AUD|Avg: $8,958 AUD|-47.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 3$1,616 AUD
Retailer 2$2,472 AUD
Retailer 4$8,563 AUD
Brilliant Earth$11,147 AUD

30 data points across 4 retailers

4 retailers$1,616 AUD to $11,147 AUD

A
Cheapest Retailer
-
$1,616 AUD
$1,135 USD
Final sale: no returns
A
Retailer 2
-
$2,472 AUD
£1,368 GBP
View
Retailer 3
-
$8,563 AUD
$6,015 USD
View
Price last confirmed 12 days ago
Most Expensive
Brilliant Earth
21552799A · Oct 30
$11,147 AUD
$7,830 USD
View
3 more retailers have this diamond
Prices start from $1,616 AUDSave up to $9,531 AUD

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
$1,616 AUD