Radiant|Lab Grown|IGI

8.21ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG844631659

Certificate IGI LG844631659

Diamond specifications and retailer prices

From $1,892 USD
As of November 1, 2026
Save $4,742 USD (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,634 USD at The Diamond Guys · As of November 3, 2026
View at The Diamond Guys

About this 8.21ct lab-grown radiant diamond

This 8.21ct 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 LG844631659 or 844631659. Listed at 6 retailers as of November 1, 2026, with prices from $1,892 to $6,634, a $4,742 spread on the same certified stone. The Diamond Guys lists it at $6,634. 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

8.21
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG844631659
Dimensions14.33 × 9.96 × 6.68 mm
L/W Ratio1.44
Top View
14.33 mm9.96 mm8.21 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844631659
Side View
Table 67.0%CrownGirdle: MediumPavilionCulet: NoneDepth 67.1%

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: Nov 1
Current: $1,921 USD|Low: $1,892 USD|High: $6,634 USD|Avg: $3,431 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
The Diamond Guys
November 3, 2026
Retailer 4$1,892 USD
Retailer 1$1,921 USD
Retailer 5$2,258 USD
Retailer 3$3,761 USD
Retailer 2$3,988 USD
The Diamond Guys$6,634 USD

4 data points across 6 retailers

6 retailers$1,892 USD to $6,634 USD

B+
Cheapest Retailer
-
$1,892 USD
A
Retailer 2
-
$1,921 USD
View
A
Retailer 3
-
$2,258 USD
€2,150 EUR
View
B+
Retailer 4
-
$3,761 USD
CA$5,223 CAD
View
B+
Retailer 5
-
$3,988 USD
View
Most Expensive
B
The Diamond Guys
1998511674 · Nov 3
$6,634 USD
View
5 more retailers have this diamond
Prices start from $1,892 USDSave up to $4,742 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
8.21ct Radiant
$1,892 USD