Radiant|Lab Grown|IGI

6.29ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG840655191

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

Certificate IGI LG840655191

Diamond specifications and retailer prices

From $1,112 USD
As of October 29, 2026
Save $580 USD (34%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $14,480 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 6.29ct lab-grown radiant diamond

This 6.29ct 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 LG840655191 or 840655191. Listed at 4 retailers as of October 29, 2026, with a 52% 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

6.29
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840655191
Dimensions12.45 × 9.24 × 6.30 mm
L/W Ratio1.35
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.45 mm9.24 mm6.29 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840655191
Side View
Table 66.0%Crown 44.6°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 68.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $14,480 USD|Low: $1,112 USD|High: $14,490 USD|Avg: $6,266 USD|-0.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 3$1,112 USD
Retailer 2$1,692 USD
Retailer 4$5,925 USD
Brilliant Earth$14,480 USD

25 data points across 4 retailers

4 retailers$1,112 USD to $1,692 USD

A
Cheapest Retailer
-
$1,112 USD
Final sale: no returns
A
Retailer 2
-
$1,692 USD
£1,332 GBP
View
Retailer 3
-
$5,925 USD
View
Price last confirmed 23 days ago
Most Expensive
Brilliant Earth
21620055A · Oct 28
$14,480 USD
View
Price under review
3 more retailers have this diamond
Prices start from $1,112 USDSave up to $580 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
6.29ct Radiant
$1,112 USD