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Princess|Natural|GIA

1.03ct J SI1 Princess Natural Diamond

EX • J/SI1 • GIA 2526910899

Certificate GIA 2526910899

Diamond specifications and retailer prices

From £1,268 GBP
$1,701 USD
As of November 1, 2026
Save £1,943 GBP (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,210 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.03ct natural princess diamond

This 1.03ct natural princess sits in the classic one-carat band, graded J 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 2526910899. Listed at 18 retailers as of October 30, 2026, with prices from £1,268 to £3,210, a £1,943 spread on the same certified stone. NZ Jewellers lists it at £3,210. 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

1.03
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.7°
Pavilion angle56.7°
OriginNatural
Grading LabGIA
CertificateGIA 2526910899
Dimensions5.60 × 5.50 × 3.90 mm
L/W Ratio1.02
Top View
5.60 mm5.50 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2526910899
Side View
Table 71.0%Crown 45.7°Girdle: STK-THKPavilion 56.7°Culet: NoneDepth 71.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £3,210 GBP|Low: £1,268 GBP|High: £3,210 GBP|Avg: £1,855 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
November 2, 2026
Retailer 5£1,268 GBP
Retailer 3£1,307 GBP
Retailer 7£1,314 GBP
Retailer 8£1,342 GBP
Retailer 4£1,391 GBP
Retailer 17£1,391 GBP
Retailer 15£1,431 GBP
Retailer 18£1,455 GBP
Retailer 9£1,605 GBP
Retailer 16£1,625 GBP
Retailer 11£1,670 GBP
Retailer 14£1,683 GBP
Retailer 13£1,887 GBP
Retailer 2£2,097 GBP
Retailer 10£2,097 GBP
Retailer 6£2,204 GBP
Retailer 12£2,690 GBP
NZ Jewellers£3,210 GBP

44 data points across 18 retailers

18 retailers£1,268 GBP to £3,210 GBP

B+
Cheapest Retailer
-
£1,268 GBP
$1,701 USD
B+
Retailer 2
-
£1,307 GBP
$1,754 USD
View
B+
Retailer 3
-
£1,314 GBP
$1,763 USD
View
B+
Retailer 4
-
£1,342 GBP
$1,801 USD
View
B
Retailer 5
-
£1,391 GBP
$1,867 USD
View
B
Retailer 6
-
£1,391 GBP
$1,867 USD
View
B
Retailer 7
-
£1,431 GBP
$1,920 USD
View
B+
Retailer 8
-
£1,455 GBP
$1,953 USD
View
B
Retailer 9
-
£1,605 GBP
$2,154 USD
View
B
Retailer 10
-
£1,625 GBP
$2,180 USD
View
B
Retailer 11
-
£1,670 GBP
View
B
Retailer 12
-
£1,683 GBP
$2,258 USD
View
B
Retailer 13
-
£1,887 GBP
ZAR 40,914 ZAR
View
B
Retailer 14
-
£2,097 GBP
€2,680 EUR
View
Retailer 15
-
£2,097 GBP
A$4,329 AUD
View
Price last confirmed 25 days ago
B
Retailer 16
-
£2,204 GBP
$2,957 USD
View
B
Retailer 17
-
£2,690 GBP
View
Most Expensive
B
NZ Jewellers
5bff6a0e-9bcf-4476-b968-813b50684c63 · Oct 30
£3,210 GBP
$4,308 USD
View
17 more retailers have this diamond
Prices start from £1,268 GBPSave up to £1,943 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.

B+
1.03ct Princess
£1,268 GBP