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Princess|Natural|GIA

1.51ct E SI2 Princess Natural Diamond

EX • E/SI2 • GIA 2278203532

Certificate GIA 2278203532

Diamond specifications and retailer prices

From £2,120 GBP
As of November 4, 2026
Save £2,756 GBP (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,876 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2278203532. Listed at 21 retailers as of November 4, 2026, with prices from £2,120 to £4,876, a £2,756 spread on the same certified stone. NZ Jewellers lists it at £4,876. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2278203532
Dimensions6.22 × 6.15 × 4.52 mm
L/W Ratio1.01
Girdle conditionPolished
Culet sizeVery Small
Key to symbols
Crystal, Feather, Cloud, Needle, Natural
Top View
6.22 mm6.15 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2278203532
Side View
Table 73.0%CrownGirdle: THK-VTKPavilionCulet: Very SmallDepth 73.4%

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 4
Current: £4,876 GBP|Low: £2,025 GBP|High: £4,876 GBP|Avg: £2,937 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 12
Retailer 13
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Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 17£2,120 GBP
Retailer 5£2,242 GBP
Retailer 15£2,285 GBP
Retailer 6£2,332 GBP
Retailer 20£2,369 GBP
Retailer 7£2,395 GBP
Retailer 10£2,536 GBP
Retailer 19£2,536 GBP
Retailer 18£2,593 GBP
Retailer 9£2,633 GBP
Retailer 16£2,644 GBP
Retailer 12£2,717 GBP
Retailer 3£2,875 GBP
Retailer 8£2,875 GBP
Retailer 13£2,896 GBP
Retailer 11£2,926 GBP
Retailer 4£2,972 GBP
Retailer 2£3,258 GBP
Retailer 14£4,667 GBP
NZ Jewellers£4,876 GBP

38 data points across 20 retailers

21 retailers£2,120 GBP to £4,876 GBP

A
Cheapest Retailer
-
£2,120 GBP
A
Retailer 2
-
£2,242 GBP
View
A
Retailer 3
-
£2,285 GBP
View
A
Retailer 4
-
£2,315 GBP
View
A
Retailer 5
-
£2,332 GBP
View
A
Retailer 6
-
£2,369 GBP
View
A
Retailer 7
-
£2,395 GBP
View
Final sale: no returns
Retailer 8
-
£2,536 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£2,536 GBP
View
A
Retailer 10
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£2,593 GBP
View
A
Retailer 11
-
£2,633 GBP
View
A
Retailer 12
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£2,644 GBP
View
A
Retailer 13
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£2,717 GBP
View
A
Retailer 14
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£2,875 GBP
View
A
Retailer 15
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£2,875 GBP
View
A
Retailer 16
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£2,896 GBP
View
A
Retailer 17
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£2,926 GBP
View
A
Retailer 18
-
£2,972 GBP
View
A
Retailer 19
-
£3,258 GBP
View
B+
Retailer 20
-
£4,667 GBP
View
Most Expensive
B+
NZ Jewellers
69781e79-cb6c-48cd-be69-0f4cc319ee06 · Nov 5
£4,876 GBP
$6,563 USD
View
20 more retailers have this diamond
Prices start from £2,120 GBPSave up to £2,756 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
£2,120 GBP