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Princess|Natural|GIA

1.21ct F SI2 Princess Natural Diamond

EX • F/SI2 • GIA 6452927478

Certificate GIA 6452927478

Diamond specifications and retailer prices

From £3,418 GBP
As of November 6, 2026
Save £1,229 GBP (26%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,647 GBP at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 1.21ct natural princess diamond

This 1.21ct natural princess sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6452927478. Listed at 3 retailers as of October 31, 2026, with prices from £3,418 to £4,647, a £1,229 spread on the same certified stone. 77 Diamonds lists it at £4,647. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6452927478
Dimensions5.83 × 5.83 × 4.28 mm
L/W Ratio1.00
Top View
5.83 mm5.83 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6452927478
Side View
Table 68.0%CrownGirdlePavilionCulet: NoneDepth 73.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £4,647 GBP|Low: £3,210 GBP|High: £4,664 GBP|Avg: £3,922 GBP|+2.1%
77 Diamonds
Retailer 2
October 31, 2026
Retailer 2£3,210 GBP
77 Diamonds£4,647 GBP

28 data points across 2 retailers

3 retailers£3,418 GBP to £4,647 GBP

Retailer 1
-
£3,210 GBP
Price last confirmed 8 days ago
B
Retailer 2
-
£3,418 GBP
View
Most Expensive
B
77 Diamonds
PRIMB2DDERBNT · Oct 31
£4,647 GBP
View
2 more retailers have this diamond
Prices start from £3,418 GBPSave up to £1,229 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 Princess
£3,418 GBP