Radiant|Lab Grown|IGI

9.21ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG620424871

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

Certificate IGI LG620424871

Diamond specifications and retailer prices

From $1,793 USD
£1,412 GBP
As of October 30, 2026
19 retailers carry this diamond
Most expensive: $7,990 USD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 9.21ct lab-grown radiant diamond

This 9.21ct 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 LG620424871 or 620424871. Listed at 19 retailers as of October 30, 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

9.21
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620424871
Dimensions14.80 × 10.36 × 6.99 mm
L/W Ratio1.43
Culet sizePointed
Top View
14.80 mm10.36 mm9.21 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620424871
Side View
Table 64.0%Crown 41.8°Girdle: MediumPavilion 35.5°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $7,990 USD|Low: $1,295 USD|High: $10,850 USD|Avg: $3,439 USD|-26.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 17$1,295 USD
Retailer 14$1,409 USD
Retailer 10$1,503 USD
Retailer 19$1,503 USD
Retailer 5$1,675 USD
Retailer 2$1,793 USD
Retailer 4$2,054 USD
Retailer 13$2,149 USD
Retailer 9$2,377 USD
Retailer 12$2,694 USD
Retailer 3$2,801 USD
Retailer 18$2,817 USD
Retailer 8$3,627 USD
Retailer 11$4,312 USD
Retailer 15$4,854 USD
Retailer 6$5,237 USD
Retailer 7$5,276 USD
Retailer 16$5,550 USD
Brilliant Earth$7,990 USD

32 data points across 19 retailers

19 retailers

Retailer 1
-
$1,295 USD
Price last confirmed 11 days ago
Retailer 2
-
$1,409 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$1,503 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$1,503 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$1,675 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$1,793 USD
£1,412 GBP
View
Retailer 7
-
$2,054 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$2,149 USD
£1,692 GBP
View
Price last confirmed 10 days ago
Retailer 9
-
$2,377 USD
View
Price last confirmed 9 days ago
Retailer 10
-
$2,694 USD
€2,566 EUR
View
Price last confirmed 9 days ago
Retailer 11
-
$2,801 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$2,817 USD
View
Price last confirmed 10 days ago
Retailer 13
-
$3,627 USD
£2,856 GBP
View
Price last confirmed 11 days ago
Retailer 14
-
$4,312 USD
View
Price last confirmed 10 days ago
Retailer 15
-
$4,854 USD
£3,822 GBP
View
Price last confirmed 11 days ago
Retailer 16
-
$5,237 USD
View
Price last confirmed 9 days ago
Retailer 17
-
$5,276 USD
View
Price last confirmed 14 days ago
Retailer 18
-
$5,550 USD
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
9119544A · Oct 23
$7,990 USD
View
Price last confirmed 9 days ago
18 more retailers have this diamond
Prices start from $1,793 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
9.21ct Radiant
$1,793 USD