Radiant|Lab Grown|IGI

6.59ct G VVS2 Radiant Lab Grown Diamond

EX • G/VVS2 • IGI LG840658572

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

Certificate IGI LG840658572

Diamond specifications and retailer prices

From $941 USD
As of October 29, 2026
Save $5,449 USD (85%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,390 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.59ct lab-grown radiant diamond

This 6.59ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840658572 or 840658572. Listed at 3 retailers as of October 29, 2026, with prices from $941 to $6,390, a $5,449 spread on the same certified stone. Brilliant Earth lists it at $6,390. 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

6.59
Carat
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840658572
Dimensions13.18 × 9.31 × 6.23 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.18 mm9.31 mm6.59 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840658572
Side View
Table 64.0%Crown 43.8°Girdle: MediumPavilion 38.4°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,390 USD|Low: $930 USD|High: $6,390 USD|Avg: $3,237 USD
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$941 USD
Retailer 2$1,538 USD
Brilliant Earth$6,390 USD

26 data points across 3 retailers

3 retailers$941 USD to $6,390 USD

A
Cheapest Retailer
-
$941 USD
Final sale: no returns
A
Retailer 2
-
$1,538 USD
£1,211 GBP
View
Most Expensive
B
Brilliant Earth
21612646A · Oct 29
$6,390 USD
View
2 more retailers have this diamond
Prices start from $941 USDSave up to $5,449 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
6.59ct Radiant
$941 USD