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Princess|Natural|GIA

1.21ct F IF Princess Natural Diamond

EX • F/IF • GIA 5566198487

Certificate GIA 5566198487

Diamond specifications and retailer prices

From £3,319 GBP
As of October 30, 2026
Save £1,622 GBP (33%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,941 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.21ct natural princess diamond

This 1.21ct natural princess sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566198487. Listed at 10 retailers as of October 30, 2026, with prices from £3,319 to £4,941, a £1,622 spread on the same certified stone. Brilliant Earth lists it at £4,941. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.68°
Pavilion angle54.73°
OriginNatural
Grading LabGIA
CertificateGIA 5566198487
Dimensions6.07 × 5.94 × 4.28 mm
L/W Ratio1.02
Culet sizeNone
Top View
6.07 mm5.94 mm1.21 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566198487
Side View
Table 74.0%Crown 47.68°Girdle: THN-MEDPavilion 54.73°Culet: NoneDepth 72.1%

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: Oct 30
Current: £4,941 GBP|Low: £3,319 GBP|High: £5,171 GBP|Avg: £4,348 GBP|-4.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4£3,319 GBP
Retailer 10£3,823 GBP
Retailer 7£3,921 GBP
Retailer 3£3,937 GBP
Retailer 6£4,054 GBP
Retailer 8£4,127 GBP
Retailer 2£4,330 GBP
Retailer 9£4,627 GBP
Retailer 5£4,846 GBP
Brilliant Earth£4,941 GBP

35 data points across 10 retailers

10 retailers£3,319 GBP to £4,941 GBP

A
Cheapest Retailer
-
£3,319 GBP
Retailer 2
-
£3,823 GBP
View
Price last confirmed 8 days ago
Retailer 3
-
£3,921 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£3,937 GBP
View
B+
Retailer 5
-
£4,054 GBP
View
B+
Retailer 6
-
£4,127 GBP
View
Final sale: no returns
Retailer 7
-
£4,330 GBP
View
Price last confirmed 7 days ago
Retailer 8
-
£4,627 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
£4,846 GBP
View
Price last confirmed 8 days ago
Most Expensive
B+
Brilliant Earth
21467167A · Oct 30
£4,941 GBP
$6,650 USD
View
9 more retailers have this diamond
Prices start from £3,319 GBPSave up to £1,622 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 Princess
£3,319 GBP