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Round|Natural|GIA

1.21ct F VVS1 Round Natural Diamond

EX • F/VVS1 • GIA 1558466991

Certificate GIA 1558466991

Diamond specifications and retailer prices

From £3,366 GBP
As of November 4, 2026
Save £3,234 GBP (49%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £8,281 GBP at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 1558466991. Listed at 23 retailers as of November 4, 2026, with a 96% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1558466991
Dimensions6.81 × 6.75 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Pinpoint
Top View
6.81 mm6.75 mm1.21 ctF / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1558466991
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 4
Current: £4,286 GBP|Low: £3,338 GBP|High: £6,700 GBP|Avg: £4,397 GBP|-10.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 11£3,366 GBP
Retailer 7£3,554 GBP
Retailer 12£3,755 GBP
Retailer 3£3,842 GBP
Retailer 5£3,933 GBP
Retailer 2£4,147 GBP
Retailer 1£4,286 GBP
Retailer 13£4,287 GBP
Retailer 8£4,371 GBP
Retailer 4£4,442 GBP
Retailer 9£4,877 GBP
Retailer 6£5,482 GBP
Retailer 10£6,601 GBP

33 data points across 13 retailers

23 retailers£3,366 GBP to £6,601 GBP

A
Cheapest Retailer
-
£3,366 GBP
A
Retailer 2
-
£3,554 GBP
View
A
Retailer 3
-
£3,755 GBP
View
Retailer 4
-
£3,842 GBP
View
Price last confirmed 10 days ago
A
Retailer 5
-
£3,933 GBP
View
A
Retailer 6
-
£4,147 GBP
View
Final sale: no returns
A
Retailer 7
-
£4,286 GBP
View
A
Retailer 8
-
£4,287 GBP
View
A
Retailer 9
-
£4,371 GBP
View
Retailer 10
-
£4,442 GBP
View
Price last confirmed 28 days ago
A
Retailer 11
-
£4,520 GBP
View
A
Retailer 12
-
£4,877 GBP
View
Retailer 13
-
£4,951 GBP
View
Price last confirmed 60 days ago
Retailer 14
-
£4,951 GBP
View
Price last confirmed 39 days ago
Retailer 15
-
£4,951 GBP
View
Price last confirmed 29 days ago
Retailer 16
-
£5,028 GBP
View
Price last confirmed 38 days ago
B+
Retailer 17
-
£5,482 GBP
View
Retailer 18
-
£5,714 GBP
View
Price last confirmed 60 days ago
Retailer 19
-
£5,714 GBP
View
Price last confirmed 38 days ago
B+
Retailer 20
-
£6,601 GBP
View
Retailer 21
-
£8,281 GBP
View
Price last confirmed 66 days ago
Retailer 22
-
£8,281 GBP
View
Price last confirmed 34 days ago
Most Expensive
NZ Jewellers
b8e61149-a347-436a-aa99-c37919a7a9c9 · Sep 28
£8,281 GBP
$11,146 USD
View
Price last confirmed 39 days ago
22 more retailers have this diamond
Prices start from £3,366 GBPSave up to £3,234 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
1.21ct Round
£3,366 GBP