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Princess|Natural|IGI

1.71ct J I1 Princess Natural Diamond

J/I1 • IGI 520278871

Shape and cutting style on the report: Princess cut

Certificate IGI 520278871

Diamond specifications and retailer prices

From £1,629 GBP
$2,183 USD
As of November 1, 2026
Save £2,142 GBP (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,771 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.71ct natural princess diamond

This 1.71ct natural princess sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and I1 clarity (included) and certified by IGI 520278871. Listed at 7 retailers as of October 30, 2026, with prices from £1,629 to £3,771, a £2,142 spread on the same certified stone. NZ Jewellers lists it at £3,771. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.71
Carat
J
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle52.5°
Pavilion angle37.8°
OriginNatural
Grading LabIGI
CertificateIGI 520278871
Dimensions6.66 × 6.53 × 4.43 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
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Top View
6.66 mm6.53 mm1.71 ctJ / I1
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 520278871
Side View
Table 72.5%Crown 52.5°Girdle: MediumPavilion 37.8°Culet: NoneDepth 67.8%

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: £3,771 GBP|Low: £911 GBP|High: £3,771 GBP|Avg: £2,049 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10£911 GBP
Retailer 7£1,629 GBP
Retailer 4£1,804 GBP
Retailer 5£1,804 GBP
Retailer 3£1,887 GBP
Retailer 6£2,082 GBP
Retailer 8£2,162 GBP
Retailer 2£2,252 GBP
Retailer 9£2,303 GBP
NZ Jewellers£3,771 GBP

25 data points across 10 retailers

7 retailers£1,629 GBP to £3,771 GBP

B+
Cheapest Retailer
-
£1,629 GBP
$2,183 USD
B+
Retailer 2
-
£1,804 GBP
$2,417 USD
View
B+
Retailer 3
-
£1,804 GBP
$2,417 USD
View
B+
Retailer 4
-
£1,887 GBP
$2,528 USD
View
B+
Retailer 5
-
£2,082 GBP
$2,789 USD
View
B+
Retailer 6
-
£2,252 GBP
€2,874 EUR
View
Most Expensive
C
NZ Jewellers
a567031f-f8d8-47e9-866d-306fab634795 · Oct 30
£3,771 GBP
$5,053 USD
View
6 more retailers have this diamond
Prices start from £1,629 GBPSave up to £2,142 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+
1.71ct Princess
£1,629 GBP