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Princess|Natural|IGI

1.51ct G I1 Princess Natural Diamond

EX • G/I1 • IGI 683502554

Shape and cutting style on the report: Princess cut

Certificate IGI 683502554

Diamond specifications and retailer prices

From £1,916 GBP
$2,567 USD
As of November 1, 2026
Save £2,556 GBP (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,472 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 683502554. Listed at 8 retailers as of October 30, 2026, with prices from £1,916 to £4,472, a £2,556 spread on the same certified stone. NZ Jewellers lists it at £4,472. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle41.5°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 683502554
Dimensions6.51 × 6.30 × 4.61 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Top View
6.51 mm6.30 mm1.51 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 683502554
Side View
Table 72.0%Crown 41.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 73.2%

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 1
Current: £4,472 GBP|Low: £1,485 GBP|High: £4,472 GBP|Avg: £2,381 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£1,485 GBP
Retailer 6£1,916 GBP
Retailer 4£2,044 GBP
Retailer 5£2,139 GBP
Retailer 8£2,139 GBP
Retailer 3£2,221 GBP
Retailer 7£2,468 GBP
Retailer 2£2,504 GBP
Retailer 9£2,545 GBP
NZ Jewellers£4,472 GBP

17 data points across 10 retailers

8 retailers£1,916 GBP to £4,472 GBP

A
Cheapest Retailer
-
£1,916 GBP
$2,567 USD
A
Retailer 2
-
£2,044 GBP
$2,739 USD
View
B+
Retailer 3
-
£2,139 GBP
$2,866 USD
View
B+
Retailer 4
-
£2,139 GBP
$2,866 USD
View
B+
Retailer 5
-
£2,221 GBP
$2,976 USD
View
B+
Retailer 6
-
£2,468 GBP
$3,307 USD
View
B+
Retailer 7
-
£2,504 GBP
€3,195 EUR
View
Most Expensive
B
NZ Jewellers
a89dc1e8-c472-4d42-a413-9d3a9154d884 · Oct 30
£4,472 GBP
$5,992 USD
View
7 more retailers have this diamond
Prices start from £1,916 GBPSave up to £2,556 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
1.51ct Princess
£1,916 GBP