Radiant|Lab Grown|IGI

6.39ct E VS2 Radiant Lab Grown Diamond

EX • E/VS2 • IGI LG840652275

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

Certificate IGI LG840652275

Diamond specifications and retailer prices

From $1,173 USD
As of October 29, 2026
Save $406 USD (26%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $12,070 USD at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 6.39ct lab-grown radiant diamond

This 6.39ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840652275 or 840652275. Listed at 3 retailers as of October 29, 2026, with a 35% 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

6.39
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840652275
Dimensions13.07 × 9.13 × 6.25 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.07 mm9.13 mm6.39 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840652275
Side View
Table 67.0%Crown 47°Girdle: MediumPavilion 35.5°Culet: NoneDepth 68.5%

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 29
Current: $1,579 USD|Low: $1,173 USD|High: $1,698 USD|Avg: $1,542 USD|-0.1%
Retailer 1
Retailer 2
Retailer 3
October 26, 2026
Retailer 2$1,173 USD
Retailer 1$1,579 USD
Retailer 3$1,698 USD

4 data points across 3 retailers

3 retailers$1,173 USD to $1,579 USD

A
Cheapest Retailer
-
$1,173 USD
Final sale: no returns
B+
Retailer 2
-
$1,579 USD
View
Most Expensive
Brilliant Earth
21612486A · Oct 1
$12,070 USD
View
Price last confirmed 29 days ago
2 more retailers have this diamond
Prices start from $1,173 USDSave up to $406 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
6.39ct Radiant
$1,173 USD