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Radiant|Lab Grown|IGI

6.65ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG851649998

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

Certificate IGI LG851649998

Diamond specifications and retailer prices

From €4,244 EUR
$4,741 USD
As of October 31, 2026
Save €912 EUR (18%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €5,156 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.65ct lab-grown radiant diamond

This 6.65ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851649998 or 851649998. Listed at 2 retailers as of October 31, 2026, with prices from €4,244 to €5,156, a €912 spread on the same certified stone. Brilliant Earth lists it at €5,156. 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

6.65
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851649998
Dimensions13.05 × 9.39 × 6.22 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.05 mm9.39 mm6.65 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851649998
Side View
Table 65.0%Crown 43.4°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 66.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €4,244 EUR|Low: €4,244 EUR|High: €4,244 EUR|Avg: €4,244 EUR
October 31, 2026
Retailer 1€4,244 EUR

1 data point across 1 retailer

2 retailers€4,244 EUR to €5,156 EUR

B
Cheapest Retailer
-
€4,244 EUR
$4,741 USD
Most Expensive
B
Brilliant Earth
22374397A · Oct 31
€5,156 EUR
$5,760 USD
View
1 more retailer has this diamond
Prices start from €4,244 EURSave up to €912 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.

B
6.65ct Radiant
€4,244 EUR