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Princess|Natural|GIA

1.31ct J SI1 Princess Natural Diamond

EX • J/SI1 • GIA 3545206562

Certificate GIA 3545206562

Diamond specifications and retailer prices

From £1,628 GBP
As of November 2, 2026
Save £1,862 GBP (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,490 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.31ct natural princess diamond

This 1.31ct natural princess sits in the one-and-a-quarter to one-and-a-half 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 3545206562. Listed at 9 retailers as of November 2, 2026, with prices from £1,628 to £3,490, a £1,862 spread on the same certified stone. NZ Jewellers lists it at £3,490. 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

1.31
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle45.03°
Pavilion angle38.97°
OriginNatural
Grading LabGIA
CertificateGIA 3545206562
Dimensions5.89 × 5.88 × 4.35 mm
L/W Ratio1.00
Top View
5.89 mm5.88 mm1.31 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 3545206562
Side View
Table 71.0%Crown 45.03°Girdle: MED-VTKPavilion 38.97°Culet: NoneDepth 73.9%

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 2
Current: £3,490 GBP|Low: £1,627 GBP|High: £3,512 GBP|Avg: £2,078 GBP|-0.6%
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 6, 2026
Retailer 5£1,628 GBP
Retailer 8£1,637 GBP
Retailer 7£1,669 GBP
Retailer 9£1,677 GBP
Retailer 2£1,746 GBP
Retailer 10£1,774 GBP
Retailer 3£1,927 GBP
Retailer 12£1,955 GBP
Retailer 11£2,066 GBP
Retailer 4£2,069 GBP
Retailer 6£2,924 GBP
NZ Jewellers£3,490 GBP

36 data points across 12 retailers

9 retailers£1,628 GBP to £3,490 GBP

A
Cheapest Retailer
-
£1,628 GBP
A
Retailer 2
-
£1,637 GBP
View
A
Retailer 3
-
£1,669 GBP
View
A
Retailer 4
-
£1,677 GBP
View
A
Retailer 5
-
£1,746 GBP
View
A
Retailer 6
-
£1,774 GBP
View
Retailer 7
-
£2,066 GBP
View
Price last confirmed 32 days ago
B
Retailer 8
-
£2,924 GBP
View
Most Expensive
B
NZ Jewellers
87119ba6-c5b1-401b-b71c-777f34301c23 · Nov 2
£3,490 GBP
$4,671 USD
View
8 more retailers have this diamond
Prices start from £1,628 GBPSave up to £1,862 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
1.31ct Princess
£1,628 GBP