Radiant|Lab Grown|IGI

6.85ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG834620208

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

Certificate IGI LG834620208

Diamond specifications and retailer prices

From $780 USD
As of October 31, 2026
Save $5,150 USD (87%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,930 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.85ct lab-grown radiant diamond

This 6.85ct 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 LG834620208 or 834620208. Listed at 3 retailers as of October 29, 2026, with prices from $780 to $5,930, a $5,150 spread on the same certified stone. Brilliant Earth lists it at $5,930. 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

6.85
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834620208
Dimensions13.59 × 9.37 × 6.22 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.59 mm9.37 mm6.85 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834620208
Side View
Table 66.0%Crown 45.9°Girdle: MediumPavilion 38.1°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $5,930 USD|Low: $780 USD|High: $5,930 USD|Avg: $2,653 USD
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$780 USD
Retailer 2$1,349 USD
Brilliant Earth$5,930 USD

28 data points across 3 retailers

3 retailers$780 USD to $5,930 USD

A
Cheapest Retailer
-
$780 USD
Final sale: no returns
A
Retailer 2
-
$1,349 USD
£1,062 GBP
View
Most Expensive
B
Brilliant Earth
21287965A · Oct 29
$5,930 USD
View
2 more retailers have this diamond
Prices start from $780 USDSave up to $5,150 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
6.85ct Radiant
$780 USD