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1.21ct F IF Round Natural Diamond

EX • F/IF • 5546695153

Diamond specifications and retailer prices

From £6,430 GBP
As of November 5, 2026
2 retailers carry this diamond
Most expensive: £13,680 GBP at Allurez · As of October 26, 2026
View at Allurez

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. Listed at 2 retailers as of November 5, 2026. 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
OriginNatural
Grading Lab
Certificate5546695153
Dimensions6.76 × 6.72 × 4.22 mm
L/W Ratio1.01
Top View
6.76 mm6.72 mm1.21 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Certificate5546695153
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £13,680 GBP|Low: £6,268 GBP|High: £13,680 GBP|Avg: £8,808 GBP
Allurez
Retailer 2
Retailer 3
November 5, 2026
Retailer 3£6,268 GBP
Retailer 2£6,430 GBP
Allurez£13,680 GBP

8 data points across 3 retailers

2 retailers

B+
Cheapest Retailer
-
£6,430 GBP
Most Expensive
Allurez
6094047 · Oct 26
£13,680 GBP
$18,311 USD
View
Price last confirmed 11 days ago
1 more retailer has this diamond
Prices start from £6,430 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.

B+
1.21ct Round
£6,430 GBP