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 $3,364 NZD
$1,892 USD
As of November 1, 2026
Save $8,431 NZD (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $11,795 NZD 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 7 retailers as of November 1, 2026, with prices from $3,364 to $11,795, a $8,431 spread on the same certified stone. The Diamond Guys lists it at $11,795. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,487 NZD|Low: $3,364 NZD|High: $11,795 NZD|Avg: $6,127 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
The Diamond Guys
November 3, 2026
Retailer 5$3,364 NZD
Retailer 2$3,416 NZD
Retailer 6$4,014 NZD
Retailer 1$6,487 NZD
Retailer 4$6,687 NZD
Retailer 3$7,090 NZD
The Diamond Guys$11,795 NZD

4 data points across 7 retailers

7 retailers$3,364 NZD to $11,795 NZD

B+
Cheapest Retailer
-
$3,364 NZD
$1,892 USD
A
Retailer 2
-
$3,416 NZD
$1,921 USD
View
A
Retailer 3
-
$4,014 NZD
€2,150 EUR
View
B+
Retailer 4
-
$6,487 NZD
$3,649 USD
View
B+
Retailer 5
-
$6,687 NZD
CA$5,223 CAD
View
B+
Retailer 6
-
$7,090 NZD
$3,988 USD
View
Most Expensive
B
The Diamond Guys
1998511674 · Nov 3
$11,795 NZD
$6,634 USD
View
6 more retailers have this diamond
Prices start from $3,364 NZDSave up to $8,431 NZD

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
$3,364 NZD