Radiant|Lab Grown|IGI

5.81ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG840655150

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

Certificate IGI LG840655150

Diamond specifications and retailer prices

From $1,342 USD
£1,057 GBP
As of October 25, 2026
2 retailers carry this diamond
Most expensive: $5,000 USD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 5.81ct lab-grown radiant diamond

This 5.81ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840655150 or 840655150. Listed at 2 retailers as of October 24, 2026. 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

5.81
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840655150
Dimensions12.82 × 8.81 × 5.92 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.82 mm8.81 mm5.81 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840655150
Side View
Table 62.0%Crown 39.7°Girdle: MediumPavilion 34°Culet: NoneDepth 67.2%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 25
Current: $5,000 USD|Low: $1,337 USD|High: $5,000 USD|Avg: $2,940 USD
Brilliant Earth
Retailer 2
October 25, 2026
Retailer 2$1,342 USD
Brilliant Earth$5,000 USD

13 data points across 2 retailers

2 retailers$1,342 USD to $5,000 USD

Retailer 1
-
$1,342 USD
£1,057 GBP
Price last confirmed 7 days ago
Most Expensive
Brilliant Earth
21612917A · Oct 24
$5,000 USD
View
Price last confirmed 8 days ago
1 more retailer has this diamond

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.

5.81ct Radiant
$1,342 USD