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Princess|Natural|GIA

1.51ct E SI1 Princess Natural Diamond

ID • E/SI1 • GIA 2557333394

Certificate GIA 2557333394

Diamond specifications and retailer prices

From £3,496 GBP
$4,655 USD
As of October 29, 2026
Save £3,101 GBP (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £6,597 GBP at NZ Jewellers · As of October 27, 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 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 2557333394. Listed at 6 retailers as of October 27, 2026, with prices from £3,496 to £6,597, a £3,101 spread on the same certified stone. NZ Jewellers lists it at £6,597. 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
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557333394
Dimensions6.28 × 6.06 × 4.42 mm
L/W Ratio1.04
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
6.28 mm6.06 mm1.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557333394
Side View
Table 71.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 72.9%

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 29
Current: £6,597 GBP|Low: £3,125 GBP|High: £7,298 GBP|Avg: £4,826 GBP|-9.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 6£3,496 GBP
Retailer 5£3,527 GBP
Retailer 2£3,563 GBP
Retailer 4£4,278 GBP
Retailer 7£4,787 GBP
Retailer 3£6,064 GBP
NZ Jewellers£6,597 GBP

39 data points across 7 retailers

6 retailers£3,496 GBP to £6,597 GBP

A
Cheapest Retailer
-
£3,496 GBP
$4,655 USD
Final sale: no returns
A
Retailer 2
-
£3,527 GBP
$4,697 USD
View
A
Retailer 3
-
£3,563 GBP
View
A
Retailer 4
-
£4,278 GBP
€5,426 EUR
View
B+
Retailer 5
-
£6,064 GBP
View
Most Expensive
B+
NZ Jewellers
cc730e1b-b493-4366-9939-abd6bdced65c · Oct 27
£6,597 GBP
$8,785 USD
View
5 more retailers have this diamond
Prices start from £3,496 GBPSave up to £3,101 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
£3,496 GBP