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Round|Natural|GIA

1.21ct F IF Round Natural Diamond

EX • F/IF • GIA 2141116297

Certificate GIA 2141116297

Diamond specifications and retailer prices

From £5,412 GBP
As of November 6, 2026
Save £4,572 GBP (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £9,984 GBP at MOH London · As of November 7, 2026
View at MOH London

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 2141116297. Listed at 9 retailers as of November 6, 2026, with prices from £5,412 to £9,984, a £4,572 spread on the same certified stone. MOH London lists it at £9,984. 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 angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2141116297
Dimensions6.83 × 6.77 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
Surface graining is not shown. Minor details of polish are not shown.
Top View
6.83 mm6.77 mm1.21 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2141116297
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £9,984 GBP|Low: £5,412 GBP|High: £10,339 GBP|Avg: £6,883 GBP|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 5£5,412 GBP
Retailer 7£5,742 GBP
Retailer 9£5,975 GBP
Retailer 6£6,137 GBP
Retailer 4£6,389 GBP
Retailer 2£6,613 GBP
Retailer 3£6,653 GBP
Retailer 8£7,201 GBP
Retailer 10£7,847 GBP
MOH London£9,984 GBP

46 data points across 10 retailers

9 retailers£5,412 GBP to £9,984 GBP

A
Cheapest Retailer
-
£5,412 GBP
A
Retailer 2
-
£5,742 GBP
View
B+
Retailer 3
-
£5,975 GBP
View
Final sale: no returns
B+
Retailer 4
-
£6,137 GBP
View
B+
Retailer 5
-
£6,389 GBP
View
B+
Retailer 6
-
£6,613 GBP
View
Retailer 7
-
£6,653 GBP
View
Price last confirmed 15 days ago
B+
Retailer 8
-
£7,201 GBP
View
Most Expensive
B
MOH London
017510F9C · Nov 7
£9,984 GBP
View
8 more retailers have this diamond
Prices start from £5,412 GBPSave up to £4,572 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
£5,412 GBP