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 £1,336 GBP
As of October 30, 2026
19 retailers carry this diamond
Most expensive: £5,954 GBP 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
Colour
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: £5,954 GBP|Low: £965 GBP|High: £7,117 GBP|Avg: £2,548 GBP|-16.3%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 19
October 30, 2026
Retailer 17£965 GBP
Retailer 14£1,050 GBP
Retailer 10£1,120 GBP
Retailer 19£1,120 GBP
Retailer 5£1,248 GBP
Retailer 2£1,336 GBP
Retailer 4£1,531 GBP
Retailer 13£1,601 GBP
Retailer 9£1,771 GBP
Retailer 12£2,008 GBP
Retailer 3£2,087 GBP
Retailer 18£2,099 GBP
Retailer 8£2,703 GBP
Retailer 11£3,213 GBP
Retailer 15£3,617 GBP
Retailer 6£3,903 GBP
Retailer 7£3,932 GBP
Retailer 16£4,136 GBP
Brilliant Earth£5,954 GBP

31 data points across 19 retailers

19 retailers

Retailer 1
-
£965 GBP
$1,295 USD
Price last confirmed 12 days ago
Retailer 2
-
£1,050 GBP
$1,409 USD
View
Price last confirmed 13 days ago
Retailer 3
-
£1,120 GBP
$1,503 USD
View
Price last confirmed 11 days ago
Retailer 4
-
£1,120 GBP
$1,503 USD
View
Price last confirmed 22 days ago
Retailer 5
-
£1,248 GBP
$1,675 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
£1,336 GBP
View
Retailer 7
-
£1,531 GBP
$2,054 USD
View
Price last confirmed 10 days ago
Retailer 8
-
£1,601 GBP
View
Price last confirmed 10 days ago
Retailer 9
-
£1,771 GBP
$2,377 USD
View
Price last confirmed 10 days ago
Retailer 10
-
£2,008 GBP
€2,566 EUR
View
Price last confirmed 10 days ago
Retailer 11
-
£2,087 GBP
$2,801 USD
View
Price last confirmed 10 days ago
Retailer 12
-
£2,099 GBP
$2,817 USD
View
Price last confirmed 11 days ago
Retailer 13
-
£2,703 GBP
View
Price last confirmed 12 days ago
Retailer 14
-
£3,213 GBP
$4,312 USD
View
Price last confirmed 11 days ago
Retailer 15
-
£3,617 GBP
View
Price last confirmed 12 days ago
Retailer 16
-
£3,903 GBP
$5,237 USD
View
Price last confirmed 10 days ago
Retailer 17
-
£3,932 GBP
$5,276 USD
View
Price last confirmed 15 days ago
Retailer 18
-
£4,136 GBP
$5,550 USD
View
Price last confirmed 12 days ago
Most Expensive
Brilliant Earth
9119544A · Oct 23
£5,954 GBP
$7,990 USD
View
Price last confirmed 10 days ago
18 more retailers have this diamond
Prices start from £1,336 GBP

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
£1,336 GBP