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Princess|Natural|GIA

1.00ct J SI2 Princess Natural Diamond

EX • J/SI2 • GIA 1435826455

Certificate GIA 1435826455

Diamond specifications and retailer prices

From £721 GBP
As of November 6, 2026
Save £1,786 GBP (71%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,508 GBP at Adiamor · As of November 5, 2026
View at Adiamor

About this 1ct natural princess diamond

This 1ct natural princess sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1435826455. Listed at 16 retailers as of November 5, 2026, with prices from £721 to £2,508, a £1,786 spread on the same certified stone. Adiamor lists it at £2,508. 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

1.00
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1435826455
Dimensions5.08 × 4.91 × 4.06 mm
L/W Ratio1.03
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity, Indented Natural, Natural
Top View
5.08 mm4.91 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1435826455
Side View
Table 72.0%CrownGirdle: ThickPavilionCulet: NoneDepth 82.7%

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: £721 GBP|Low: £690 GBP|High: £1,430 GBP|Avg: £996 GBP|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1£721 GBP
Retailer 6£742 GBP
Retailer 8£946 GBP
Retailer 5£958 GBP
Retailer 2£1,030 GBP
Retailer 7£1,035 GBP
Retailer 9£1,073 GBP
Retailer 4£1,132 GBP
Retailer 3£1,421 GBP

44 data points across 9 retailers

16 retailers£721 GBP to £2,508 GBP

A
Cheapest Retailer
-
£721 GBP
A
Retailer 2
-
£742 GBP
View
B+
Retailer 3
-
£946 GBP
View
Final sale: no returns
B+
Retailer 4
-
£958 GBP
View
Retailer 5
-
£1,025 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£1,025 GBP
View
B+
Retailer 7
-
£1,030 GBP
View
B+
Retailer 8
-
£1,035 GBP
View
B+
Retailer 9
-
£1,057 GBP
View
B+
Retailer 10
-
£1,073 GBP
View
B+
Retailer 11
-
£1,126 GBP
View
B+
Retailer 12
-
£1,132 GBP
View
B+
Retailer 13
-
£1,184 GBP
View
B
Retailer 14
-
£1,421 GBP
View
C
Retailer 15
-
£2,501 GBP
View
Most Expensive
C
Adiamor
D-64679108 · Nov 5
£2,508 GBP
$3,375 USD
View
15 more retailers have this diamond
Prices start from £721 GBPSave up to £1,786 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
1.00ct Princess
£721 GBP