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Princess|Natural|IGI

1.00ct J IF Princess Natural Diamond

EX • J/IF • IGI 821618707

Shape and cutting style on the report: Princess cut

Certificate IGI 821618707

Diamond specifications and retailer prices

From £947 GBP
As of November 5, 2026
Save £1,554 GBP (62%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,501 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1ct natural princess diamond

This 1ct natural princess sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 821618707. Listed at 11 retailers as of November 2, 2026, with prices from £947 to £2,501, a £1,554 spread on the same certified stone. NZ Jewellers lists it at £2,501. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.4°
Pavilion angle39.4°
OriginNatural
Grading LabIGI
CertificateIGI 821618707
Dimensions5.52 × 5.42 × 3.85 mm
L/W Ratio1.02
Top View
5.52 mm5.42 mm1.00 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 821618707
Side View
Table 70.0%Crown 39.4°Girdle: MediumPavilion 39.4°Culet: NoneDepth 71.0%

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 5
Current: £2,501 GBP|Low: £945 GBP|High: £2,545 GBP|Avg: £1,312 GBP|-1.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 4£947 GBP
Retailer 3£957 GBP
Retailer 8£958 GBP
Retailer 9£1,025 GBP
Retailer 11£1,028 GBP
Retailer 2£1,036 GBP
Retailer 10£1,073 GBP
Retailer 5£1,248 GBP
Retailer 7£1,496 GBP
Retailer 6£1,869 GBP
NZ Jewellers£2,501 GBP

28 data points across 11 retailers

11 retailers£947 GBP to £2,501 GBP

A
Cheapest Retailer
-
£947 GBP
Retailer 2
-
£957 GBP
View
Price last confirmed 11 days ago
A
Retailer 3
-
£958 GBP
View
A
Retailer 4
-
£1,025 GBP
View
Retailer 5
-
£1,028 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£1,036 GBP
View
A
Retailer 7
-
£1,073 GBP
View
A
Retailer 8
-
£1,248 GBP
View
B+
Retailer 9
-
£1,496 GBP
View
B+
Retailer 10
-
£1,869 GBP
View
Most Expensive
B
NZ Jewellers
fb611ea2-c4ad-4396-aa4a-000917aa0cea · Nov 2
£2,501 GBP
$3,366 USD
View
10 more retailers have this diamond
Prices start from £947 GBPSave up to £1,554 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
£947 GBP