Radiant|Lab Grown|IGI

6.64ct G VVS2 Radiant Lab Grown Diamond

ID • G/VVS2 • IGI LG799604385

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

Certificate IGI LG799604385

Diamond specifications and retailer prices

From €818 EUR
$914 USD
As of October 31, 2026
Save €1,717 EUR (68%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €8,056 EUR at Helzberg Diamonds · As of October 11, 2026
View at Helzberg Diamonds

About this 6.64ct lab-grown radiant diamond

This 6.64ct 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 LG799604385 or 799604385. Listed at 5 retailers as of October 31, 2026, with a 210% 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

6.64
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799604385
Dimensions13.44 × 9.24 × 6.08 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.44 mm9.24 mm6.64 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799604385
Side View
Table 65.0%Crown 46.8°Girdle: MediumPavilion 34.5°Culet: NoneDepth 65.8%

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: €8,056 EUR|Low: €818 EUR|High: €8,056 EUR|Avg: €3,431 EUR
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3€818 EUR
Retailer 4€1,117 EUR
Retailer 5€1,278 EUR
Retailer 10€1,440 EUR
Retailer 2€2,535 EUR
Retailer 9€2,757 EUR
Retailer 7€3,655 EUR
Retailer 8€5,182 EUR
Retailer 6€5,755 EUR
Helzberg Diamonds€8,056 EUR

22 data points across 10 retailers

5 retailers€818 EUR to €2,535 EUR

A
Cheapest Retailer
-
€818 EUR
$914 USD
Final sale: no returns
B+
Retailer 2
-
€1,117 EUR
$1,248 USD
View
B+
Retailer 3
-
€2,535 EUR
$2,832 USD
View
Retailer 4
-
€5,755 EUR
$6,430 USD
View
Price last confirmed 20 days ago
Most Expensive
Helzberg Diamonds
ZXZNPPMGKJOL · Oct 11
€8,056 EUR
$9,000 USD
View
Price last confirmed 21 days ago
4 more retailers have this diamond
Prices start from €818 EURSave up to €1,717 EUR

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
6.64ct Radiant
€818 EUR