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Princess|Natural|GIA

1.51ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 1563411555

Certificate GIA 1563411555

Diamond specifications and retailer prices

From £2,672 GBP
As of November 6, 2026
Save £3,520 GBP (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £6,192 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 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 1563411555. Listed at 22 retailers as of November 5, 2026, with prices from £2,672 to £6,192, a £3,520 spread on the same certified stone. NZ Jewellers lists it at £6,192. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1563411555
Dimensions6.50 × 6.37 × 4.34 mm
L/W Ratio1.02
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
6.50 mm6.37 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563411555
Side View
Table 71.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 68.2%

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: Nov 6
Current: £6,192 GBP|Low: £2,672 GBP|High: £6,192 GBP|Avg: £3,706 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
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 2£2,672 GBP
Retailer 8£2,828 GBP
Retailer 7£3,035 GBP
Retailer 9£3,099 GBP
Retailer 3£3,257 GBP
Retailer 13£3,354 GBP
Retailer 5£3,355 GBP
Retailer 16£3,499 GBP
Retailer 10£3,554 GBP
Retailer 20£3,554 GBP
Retailer 21£3,554 GBP
Retailer 19£3,666 GBP
Retailer 14£3,680 GBP
Retailer 12£3,695 GBP
Retailer 11£3,742 GBP
Retailer 15£3,774 GBP
Retailer 6£3,788 GBP
Retailer 4£4,101 GBP
Retailer 17£4,336 GBP
Retailer 18£5,645 GBP
NZ Jewellers£6,192 GBP

23 data points across 21 retailers

22 retailers£2,672 GBP to £6,192 GBP

A
Cheapest Retailer
-
£2,672 GBP
A
Retailer 2
-
£2,828 GBP
View
Final sale: no returns
A
Retailer 3
-
£2,940 GBP
View
A
Retailer 4
-
£3,035 GBP
View
A
Retailer 5
-
£3,099 GBP
View
A
Retailer 6
-
£3,257 GBP
View
A
Retailer 7
-
£3,354 GBP
View
A
Retailer 8
-
£3,355 GBP
View
A
Retailer 9
-
£3,499 GBP
View
B+
Retailer 10
-
£3,554 GBP
View
B+
Retailer 11
-
£3,554 GBP
View
Retailer 12
-
£3,554 GBP
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£3,666 GBP
View
Retailer 14
-
£3,680 GBP
View
Price last confirmed 19 days ago
B+
Retailer 15
-
£3,695 GBP
View
B+
Retailer 16
-
£3,742 GBP
View
B+
Retailer 17
-
£3,774 GBP
View
B+
Retailer 18
-
£3,788 GBP
View
B+
Retailer 19
-
£4,101 GBP
View
B+
Retailer 20
-
£4,336 GBP
View
B
Retailer 21
-
£5,645 GBP
View
Most Expensive
B
NZ Jewellers
6445a2cf-8ed1-4806-a5b6-583c12065a14 · Nov 5
£6,192 GBP
$8,288 USD
View
21 more retailers have this diamond
Prices start from £2,672 GBPSave up to £3,520 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
£2,672 GBP