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Princess|Natural|GIA

1.20ct E SI1 Princess Natural Diamond

EX • E/SI1 • GIA 1533742537

Certificate GIA 1533742537

Diamond specifications and retailer prices

From £3,151 GBP
As of November 4, 2026
Save £3,144 GBP (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £6,295 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1533742537. Listed at 13 retailers as of November 4, 2026, with prices from £3,151 to £6,295, a £3,144 spread on the same certified stone. NZ Jewellers lists it at £6,295. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle22.77°
Pavilion angle38.69°
OriginNatural
Grading LabGIA
CertificateGIA 1533742537
Dimensions5.95 × 5.88 × 4.13 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.95 mm5.88 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1533742537
Side View
Table 72.0%Crown 22.77°Girdle: STK-THKPavilion 38.69°Culet: NoneDepth 70.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £6,295 GBP|Low: £3,057 GBP|High: £6,295 GBP|Avg: £4,059 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 7£3,151 GBP
Retailer 13£3,206 GBP
Retailer 6£3,255 GBP
Retailer 14£3,335 GBP
Retailer 18£3,407 GBP
Retailer 4£3,613 GBP
Retailer 16£3,613 GBP
Retailer 17£3,613 GBP
Retailer 15£3,642 GBP
Retailer 9£3,775 GBP
Retailer 10£3,824 GBP
Retailer 2£4,066 GBP
Retailer 8£4,151 GBP
Retailer 3£4,170 GBP
Retailer 11£4,409 GBP
Retailer 12£5,740 GBP
Retailer 5£5,837 GBP
NZ Jewellers£6,295 GBP

31 data points across 18 retailers

13 retailers£3,151 GBP to £6,295 GBP

B+
Cheapest Retailer
-
£3,151 GBP
B+
Retailer 2
-
£3,206 GBP
View
B+
Retailer 3
-
£3,255 GBP
View
B
Retailer 4
-
£3,335 GBP
View
Final sale: no returns
B
Retailer 5
-
£3,407 GBP
View
B
Retailer 6
-
£3,613 GBP
View
B
Retailer 7
-
£3,613 GBP
View
Retailer 8
-
£3,642 GBP
View
Price last confirmed 28 days ago
B
Retailer 9
-
£4,066 GBP
View
B
Retailer 10
-
£4,170 GBP
View
B
Retailer 11
-
£4,409 GBP
View
B
Retailer 12
-
£5,740 GBP
View
Most Expensive
B
NZ Jewellers
7aeaebb5-15c0-43ca-a8da-194a8379fc81 · Nov 5
£6,295 GBP
$8,473 USD
View
12 more retailers have this diamond
Prices start from £3,151 GBPSave up to £3,144 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.

B+
1.20ct Princess
£3,151 GBP