CaratHunter
Plans
Princess|Natural|GIA

1.05ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 1545897371

Certificate GIA 1545897371

Diamond specifications and retailer prices

From £1,330 GBP
As of November 2, 2026
Save £1,997 GBP (60%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,327 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.05ct natural princess diamond

This 1.05ct natural princess sits in the classic one-carat band, graded H 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 1545897371. Listed at 8 retailers as of November 2, 2026, with prices from £1,330 to £3,327, a £1,997 spread on the same certified stone. NZ Jewellers lists it at £3,327. 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

1.05
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43.16°
Pavilion angle39.61°
OriginNatural
Grading LabGIA
CertificateGIA 1545897371
Dimensions5.76 × 5.64 × 3.94 mm
L/W Ratio1.02
Girdle conditionSlightly Thick
Key to symbols
Crystal, Needle
Top View
5.76 mm5.64 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1545897371
Side View
Table 75.0%Crown 43.16°Girdle: MED-STKPavilion 39.61°Culet: NoneDepth 69.8%

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 2
Current: £3,327 GBP|Low: £1,330 GBP|High: £3,380 GBP|Avg: £1,772 GBP|-1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 2£1,330 GBP
Retailer 8£1,364 GBP
Retailer 11£1,386 GBP
Retailer 7£1,405 GBP
Retailer 6£1,427 GBP
Retailer 9£1,461 GBP
Retailer 12£1,524 GBP
Retailer 4£1,641 GBP
Retailer 3£1,759 GBP
Retailer 10£1,808 GBP
Retailer 5£2,390 GBP
NZ Jewellers£3,327 GBP

35 data points across 12 retailers

8 retailers£1,330 GBP to £3,327 GBP

A
Cheapest Retailer
-
£1,330 GBP
A
Retailer 2
-
£1,364 GBP
View
A
Retailer 3
-
£1,405 GBP
View
A
Retailer 4
-
£1,427 GBP
View
A
Retailer 5
-
£1,461 GBP
View
Retailer 6
-
£1,808 GBP
View
Price last confirmed 32 days ago
B
Retailer 7
-
£2,390 GBP
View
Most Expensive
B
NZ Jewellers
40f065ea-8fa1-43c3-847a-49ba4945430a · Nov 2
£3,327 GBP
$4,453 USD
View
7 more retailers have this diamond
Prices start from £1,330 GBPSave up to £1,997 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
1.05ct Princess
£1,330 GBP