Radiant|Lab Grown|IGI

6.28ct E VS2 Radiant Lab Grown Diamond

EX • E/VS2 • IGI LG840639350

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

Certificate IGI LG840639350

Diamond specifications and retailer prices

From $1,057 USD
As of October 31, 2026
Save $5,043 USD (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,100 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 6.28ct lab-grown radiant diamond

This 6.28ct 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 LG840639350 or 840639350. Listed at 3 retailers as of October 30, 2026, with prices from $1,057 to $6,100, a $5,043 spread on the same certified stone. Brilliant Earth lists it at $6,100. 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

6.28
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.3°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840639350
Dimensions13.01 × 9.08 × 6.16 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.01 mm9.08 mm6.28 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840639350
Side View
Table 67.0%Crown 46.3°Girdle: MediumPavilion 37.9°Culet: NoneDepth 67.8%

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 31
Current: $6,100 USD|Low: $1,046 USD|High: $11,510 USD|Avg: $5,078 USD|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$1,057 USD
Retailer 2$1,707 USD
Brilliant Earth$6,100 USD

27 data points across 3 retailers

3 retailers$1,057 USD to $6,100 USD

A
Cheapest Retailer
-
$1,057 USD
Final sale: no returns
A
Retailer 2
-
$1,707 USD
£1,344 GBP
View
Most Expensive
B
Brilliant Earth
21613764A · Oct 30
$6,100 USD
View
2 more retailers have this diamond
Prices start from $1,057 USDSave up to $5,043 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
6.28ct Radiant
$1,057 USD