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Princess|Natural|GIA

1.00ct J SI1 Princess Natural Diamond

EX • J/SI1 • GIA 2557614278

Certificate GIA 2557614278

Diamond specifications and retailer prices

From £823 GBP
As of November 4, 2026
Save £316 GBP (28%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,139 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1ct natural princess diamond

This 1ct 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 2557614278. Listed at 7 retailers as of November 4, 2026, with prices from £823 to £1,139, a £316 spread on the same certified stone. GemTrove lists it at £1,139. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557614278
Dimensions5.40 × 5.29 × 3.95 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle
Top View
5.40 mm5.29 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557614278
Side View
Table 71.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 74.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,139 GBP|Low: £736 GBP|High: £1,139 GBP|Avg: £937 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7£823 GBP
Retailer 4£824 GBP
Retailer 3£859 GBP
Retailer 2£903 GBP
Retailer 6£935 GBP
Retailer 5£1,005 GBP
GemTrove£1,139 GBP

42 data points across 7 retailers

7 retailers£823 GBP to £1,139 GBP

A
Cheapest Retailer
-
£823 GBP
A
Retailer 2
-
£824 GBP
View
Final sale: no returns
A
Retailer 3
-
£859 GBP
View
A
Retailer 4
-
£903 GBP
View
A
Retailer 5
-
£935 GBP
View
B+
Retailer 6
-
£1,005 GBP
View
Most Expensive
B+
GemTrove
GT-N-01306467-98 · Nov 6
£1,139 GBP
A$2,358 AUD
View
6 more retailers have this diamond
Prices start from £823 GBPSave up to £316 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
£823 GBP