Radiant|Lab Grown|IGI

8.18ct E VS2 Radiant Lab Grown Diamond

EX • E/VS2 • IGI LG844619344

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

Certificate IGI LG844619344

Diamond specifications and retailer prices

From $1,710 USD
As of October 29, 2026
Save $580 USD (25%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $7,950 USD at Brilliant Earth · As of October 12, 2026
View at Brilliant Earth

About this 8.18ct lab-grown radiant diamond

This 8.18ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844619344 or 844619344. Listed at 3 retailers as of October 26, 2026, with a 34% 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

8.18
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844619344
Dimensions14.38 × 9.93 × 6.68 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.38 mm9.93 mm8.18 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844619344
Side View
Table 66.0%Crown 45.1°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $7,950 USD|Low: $1,710 USD|High: $7,950 USD|Avg: $4,415 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 2$1,710 USD
Retailer 3$2,290 USD
Retailer 4$2,392 USD
Brilliant Earth$7,950 USD

6 data points across 4 retailers

3 retailers$1,710 USD to $2,290 USD

A
Cheapest Retailer
-
$1,710 USD
Final sale: no returns
B+
Retailer 2
-
$2,290 USD
View
Most Expensive
Brilliant Earth
21745923A · Oct 12
$7,950 USD
View
Price last confirmed 17 days ago
2 more retailers have this diamond
Prices start from $1,710 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
8.18ct Radiant
$1,710 USD