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Princess|Natural|GIA

1.55ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 3525624629

Certificate GIA 3525624629

Diamond specifications and retailer prices

From £3,463 GBP
$4,640 USD
As of October 30, 2026
Save £4,089 GBP (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £7,552 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.55ct natural princess diamond

This 1.55ct natural princess sits in the one-and-a-half to two 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 3525624629. Listed at 20 retailers as of October 30, 2026, with prices from £3,463 to £7,552, a £4,089 spread on the same certified stone. NZ Jewellers lists it at £7,552. 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

1.55
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.42°
Pavilion angle38.19°
OriginNatural
Grading LabGIA
CertificateGIA 3525624629
Dimensions6.50 × 6.37 × 4.40 mm
L/W Ratio1.02
Top View
6.50 mm6.37 mm1.55 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3525624629
Side View
Table 74.0%Crown 23.42°Girdle: THK-VTKPavilion 38.19°Culet: NoneDepth 69.2%

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: Oct 30
Current: £6,652 GBP|Low: £3,272 GBP|High: £6,733 GBP|Avg: £4,582 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7£3,463 GBP
Retailer 8£3,601 GBP
Retailer 9£3,776 GBP
Retailer 2£4,091 GBP
Retailer 3£4,368 GBP
Retailer 10£4,464 GBP
Retailer 5£4,933 GBP
Retailer 6£4,980 GBP
Retailer 4£5,548 GBP
Retailer 1£6,652 GBP

39 data points across 10 retailers

20 retailers£3,463 GBP to £7,552 GBP

A
Cheapest Retailer
-
£3,463 GBP
$4,640 USD
A
Retailer 2
-
£3,527 GBP
$4,726 USD
View
A
Retailer 3
-
£3,569 GBP
$4,782 USD
View
Retailer 4
-
£3,601 GBP
$4,825 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
£3,717 GBP
A$7,662 AUD
View
B+
Retailer 6
-
£3,776 GBP
$5,059 USD
View
Final sale: no returns
B+
Retailer 7
-
£3,829 GBP
$5,130 USD
View
B+
Retailer 8
-
£3,842 GBP
$5,148 USD
View
B+
Retailer 9
-
£4,091 GBP
$5,481 USD
View
B+
Retailer 10
-
£4,091 GBP
$5,481 USD
View
B+
Retailer 11
-
£4,091 GBP
$5,481 USD
View
B+
Retailer 12
-
£4,368 GBP
View
Retailer 13
-
£4,464 GBP
A$9,201 AUD
View
Price last confirmed 22 days ago
B+
Retailer 14
-
£4,482 GBP
$6,006 USD
View
B
Retailer 15
-
£4,720 GBP
$6,324 USD
View
B+
Retailer 16
-
£4,933 GBP
€6,295 EUR
View
B
Retailer 17
-
£5,548 GBP
ZAR 120,083 ZAR
View
B
Retailer 18
-
£6,542 GBP
$8,765 USD
View
B
Retailer 19
-
£6,652 GBP
View
Most Expensive
B
NZ Jewellers
8f371910-b5e8-47df-b2b0-ab301615ca6c · Oct 30
£7,552 GBP
$10,119 USD
View
19 more retailers have this diamond
Prices start from £3,463 GBPSave up to £4,089 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
1.55ct Princess
£3,463 GBP