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Round|Natural|GIA

1.21ct F IF Round Natural Diamond

EX • F/IF • GIA 7553636014

Certificate GIA 7553636014

Diamond specifications and retailer prices

From £5,688 GBP
As of November 6, 2026
Save £4,167 GBP (42%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £10,574 GBP at NZ Jewellers · As of October 3, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 7553636014. Listed at 21 retailers as of November 6, 2026, with a 73% 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7553636014
Dimensions6.77 × 6.82 × 4.21 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.77 mm6.82 mm1.21 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7553636014
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.9%

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 6
Current: £9,166 GBP|Low: £5,688 GBP|High: £10,027 GBP|Avg: £7,499 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 6£5,688 GBP
Retailer 4£6,817 GBP
Retailer 10£6,941 GBP
Retailer 5£6,962 GBP
Retailer 9£6,965 GBP
Retailer 2£7,002 GBP
Retailer 8£7,851 GBP
Retailer 1£9,166 GBP
Retailer 7£9,255 GBP
Retailer 3£9,855 GBP

33 data points across 10 retailers

21 retailers£5,688 GBP to £9,855 GBP

A
Cheapest Retailer
-
£5,688 GBP
A
Retailer 2
-
£5,852 GBP
View
Retailer 3
-
£6,212 GBP
View
Price last confirmed 26 days ago
B+
Retailer 4
-
£6,454 GBP
View
B+
Retailer 5
-
£6,817 GBP
View
B+
Retailer 6
-
£6,941 GBP
View
B+
Retailer 7
-
£6,962 GBP
View
Retailer 8
-
£6,965 GBP
View
Price last confirmed 15 days ago
B+
Retailer 9
-
£7,002 GBP
View
Final sale: no returns
Retailer 10
-
£7,003 GBP
View
Price last confirmed 26 days ago
B+
Retailer 11
-
£7,579 GBP
View
Retailer 12
-
£7,586 GBP
View
Price last confirmed 29 days ago
B+
Retailer 13
-
£7,606 GBP
View
Retailer 14
-
£7,703 GBP
View
Price last confirmed 23 days ago
B+
Retailer 15
-
£7,759 GBP
View
B+
Retailer 16
-
£7,851 GBP
View
Retailer 17
-
£8,753 GBP
View
Price last confirmed 29 days ago
Retailer 18
-
£9,166 GBP
View
B
Retailer 19
-
£9,255 GBP
View
B
Retailer 20
-
£9,855 GBP
View
Most Expensive
NZ Jewellers
24eb2e2e-9f88-4fa2-b766-9c18d6ec33b5 · Oct 3
£10,574 GBP
$14,153 USD
View
Price last confirmed 35 days ago
20 more retailers have this diamond
Prices start from £5,688 GBPSave up to £4,167 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
£5,688 GBP