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Princess|Natural|GIA

1.51ct K SI2 Princess Natural Diamond

EX • K/SI2 • GIA 1535360542

Certificate GIA 1535360542

Diamond specifications and retailer prices

From £2,288 GBP
As of November 1, 2026
Save £2,121 GBP (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,410 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1535360542. Listed at 10 retailers as of November 1, 2026, with prices from £2,288 to £4,410, a £2,121 spread on the same certified stone. NZ Jewellers lists it at £4,410. 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

1.51
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.39°
Pavilion angle37.54°
OriginNatural
Grading LabGIA
CertificateGIA 1535360542
Dimensions6.13 × 6.08 × 4.41 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.13 mm6.08 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1535360542
Side View
Table 72.0%Crown 31.39°Girdle: THK-VTKPavilion 37.54°Culet: NoneDepth 72.6%

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 1
Current: £2,946 GBP|Low: £2,288 GBP|High: £4,181 GBP|Avg: £2,809 GBP|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5£2,288 GBP
Retailer 9£2,329 GBP
Retailer 6£2,531 GBP
Retailer 8£2,531 GBP
Retailer 2£2,638 GBP
Retailer 3£2,642 GBP
Retailer 7£2,920 GBP
Retailer 1£2,946 GBP
Retailer 10£3,011 GBP
Retailer 4£4,119 GBP

42 data points across 10 retailers

10 retailers£2,288 GBP to £4,410 GBP

A
Cheapest Retailer
-
£2,288 GBP
Retailer 2
-
£2,531 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£2,531 GBP
View
B+
Retailer 4
-
£2,628 GBP
View
B+
Retailer 5
-
£2,638 GBP
View
B+
Retailer 6
-
£2,642 GBP
View
B
Retailer 7
-
£2,920 GBP
View
B+
Retailer 8
-
£2,946 GBP
View
B
Retailer 9
-
£4,119 GBP
View
Most Expensive
B
NZ Jewellers
d5736550-da22-4ae9-b3e2-0439f0861f95 · Nov 5
£4,410 GBP
$5,935 USD
View
9 more retailers have this diamond
Prices start from £2,288 GBPSave up to £2,121 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
1.51ct Princess
£2,288 GBP