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Princess|Natural|GIA

1.21ct E SI2 Princess Natural Diamond

EX • E/SI2 • GIA 1543588657

Certificate GIA 1543588657

Diamond specifications and retailer prices

From £1,923 GBP
As of November 2, 2026
Save £2,144 GBP (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,066 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.21ct natural princess diamond

This 1.21ct natural princess sits in the classic one-carat band, graded E 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 1543588657. Listed at 6 retailers as of November 2, 2026, with prices from £1,923 to £4,066, a £2,144 spread on the same certified stone. NZ Jewellers lists it at £4,066. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.99°
Pavilion angle39.81°
OriginNatural
Grading LabGIA
CertificateGIA 1543588657
Dimensions5.84 × 5.84 × 4.17 mm
L/W Ratio1.00
Girdle conditionVery Thick
Key to symbols
Feather, Crystal, Cloud, Cavity, Needle
Top View
5.84 mm5.84 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543588657
Side View
Table 75.0%Crown 44.99°Girdle: STK-VTKPavilion 39.81°Culet: NoneDepth 71.4%

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 2
Current: £4,066 GBP|Low: £1,922 GBP|High: £4,091 GBP|Avg: £2,445 GBP|-0.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2£1,923 GBP
Retailer 6£1,945 GBP
Retailer 5£2,020 GBP
Retailer 7£2,054 GBP
Retailer 11£2,155 GBP
Retailer 3£2,193 GBP
Retailer 8£2,214 GBP
Retailer 9£2,244 GBP
Retailer 10£2,414 GBP
Retailer 4£3,407 GBP
NZ Jewellers£4,066 GBP

29 data points across 11 retailers

6 retailers£1,923 GBP to £4,066 GBP

A
Cheapest Retailer
-
£1,923 GBP
A
Retailer 2
-
£1,945 GBP
View
B+
Retailer 3
-
£2,020 GBP
View
B+
Retailer 4
-
£2,054 GBP
View
B
Retailer 5
-
£3,407 GBP
View
Most Expensive
B
NZ Jewellers
1f1aea7d-4403-4faf-bd56-e205b36ba042 · Nov 2
£4,066 GBP
$5,473 USD
View
5 more retailers have this diamond
Prices start from £1,923 GBPSave up to £2,144 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
£1,923 GBP