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Princess|Natural|IGI

1.51ct G I1 Princess Natural Diamond

VG • G/I1 • IGI 520278892

Shape and cutting style on the report: Princess cut

Certificate IGI 520278892

Diamond specifications and retailer prices

From £1,810 GBP
$2,425 USD
As of November 1, 2026
Save £1,974 GBP (52%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,784 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 very-good cut grade and certified by IGI 520278892. Listed at 5 retailers as of October 30, 2026, with prices from £1,810 to £3,784, a £1,974 spread on the same certified stone. NZ Jewellers lists it at £3,784. 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

1.51
Carat
G
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
Crown angle49.4°
Pavilion angle37.6°
OriginNatural
Grading LabIGI
CertificateIGI 520278892
Dimensions6.08 × 5.94 × 4.44 mm
L/W Ratio1.02
Culet sizePointed
Top View
6.08 mm5.94 mm1.51 ctG / I1
OriginNatural
CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI 520278892
Side View
Table 68.5%Crown 49.4°Girdle: ThickPavilion 37.6°Culet: NoneDepth 74.7%

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: £3,784 GBP|Low: £964 GBP|High: £3,784 GBP|Avg: £2,071 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 8£964 GBP
Retailer 5£1,810 GBP
Retailer 6£1,810 GBP
Retailer 3£1,893 GBP
Retailer 4£2,088 GBP
Retailer 7£2,154 GBP
Retailer 2£2,259 GBP
NZ Jewellers£3,784 GBP

15 data points across 8 retailers

5 retailers£1,810 GBP to £3,784 GBP

B+
Cheapest Retailer
-
£1,810 GBP
$2,425 USD
B+
Retailer 2
-
£1,893 GBP
$2,537 USD
View
B+
Retailer 3
-
£2,088 GBP
$2,798 USD
View
B+
Retailer 4
-
£2,259 GBP
€2,883 EUR
View
Most Expensive
B
NZ Jewellers
fe05a6f9-6701-4b62-bca2-1eebeb067cac · Oct 30
£3,784 GBP
$5,070 USD
View
4 more retailers have this diamond
Prices start from £1,810 GBPSave up to £1,974 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+
1.51ct Princess
£1,810 GBP