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Princess|Natural|GIA

1.20ct I SI1 Princess Natural Diamond

ID • I/SI1 • GIA 2564742157

Certificate GIA 2564742157

Diamond specifications and retailer prices

From £1,224 GBP
As of November 5, 2026
Save £2,439 GBP (67%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,662 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural princess diamond

This 1.2ct natural princess sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564742157. Listed at 15 retailers as of November 5, 2026, with prices from £1,224 to £3,662, a £2,439 spread on the same certified stone. NZ Jewellers lists it at £3,662. 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

1.20
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2564742157
Dimensions5.75 × 5.74 × 4.17 mm
L/W Ratio1.00
Girdle conditionPolished
Top View
5.75 mm5.74 mm1.20 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564742157
Side View
Table 70.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 72.5%

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 5
Current: £3,662 GBP|Low: £1,224 GBP|High: £3,662 GBP|Avg: £1,908 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 7, 2026
Retailer 13£1,224 GBP
Retailer 7£1,444 GBP
Retailer 3£1,554 GBP
Retailer 4£1,617 GBP
Retailer 2£1,633 GBP
Retailer 8£1,699 GBP
Retailer 9£1,705 GBP
Retailer 6£1,733 GBP
Retailer 11£1,752 GBP
Retailer 12£1,950 GBP
Retailer 10£2,069 GBP
Retailer 14£2,137 GBP
Retailer 5£2,556 GBP
NZ Jewellers£3,662 GBP

4 data points across 14 retailers

15 retailers£1,224 GBP to £3,662 GBP

A
Cheapest Retailer
-
£1,224 GBP
A
Retailer 2
-
£1,444 GBP
View
A
Retailer 3
-
£1,508 GBP
View
A
Retailer 4
-
£1,554 GBP
View
A
Retailer 5
-
£1,617 GBP
View
Final sale: no returns
A
Retailer 6
-
£1,633 GBP
View
B+
Retailer 7
-
£1,699 GBP
View
B+
Retailer 8
-
£1,705 GBP
View
B+
Retailer 9
-
£1,733 GBP
View
B+
Retailer 10
-
£1,752 GBP
View
B+
Retailer 11
-
£1,950 GBP
View
B+
Retailer 12
-
£2,069 GBP
View
B+
Retailer 13
-
£2,137 GBP
View
B
Retailer 14
-
£2,556 GBP
View
Most Expensive
B
NZ Jewellers
e2577930-5d8d-4523-9ab6-923b590bde81 · Nov 5
£3,662 GBP
$4,902 USD
View
14 more retailers have this diamond
Prices start from £1,224 GBPSave up to £2,439 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
1.20ct Princess
£1,224 GBP