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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 $3,460 AUD
$2,425 USD
As of November 1, 2026
Save $3,774 AUD (52%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,234 AUD 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 $3,460 to $7,234, a $3,774 spread on the same certified stone. NZ Jewellers lists it at $7,234. 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: $7,234 AUD|Low: $1,844 AUD|High: $7,234 AUD|Avg: $3,960 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 8$1,844 AUD
Retailer 5$3,460 AUD
Retailer 6$3,460 AUD
Retailer 3$3,620 AUD
Retailer 4$3,992 AUD
Retailer 7$4,118 AUD
Retailer 2$4,319 AUD
NZ Jewellers$7,234 AUD

15 data points across 8 retailers

5 retailers$3,460 AUD to $7,234 AUD

B+
Cheapest Retailer
-
$3,460 AUD
$2,425 USD
B+
Retailer 2
-
$3,620 AUD
$2,537 USD
View
B+
Retailer 3
-
$3,992 AUD
$2,798 USD
View
B+
Retailer 4
-
$4,319 AUD
€2,883 EUR
View
Most Expensive
B
NZ Jewellers
fe05a6f9-6701-4b62-bca2-1eebeb067cac · Oct 30
$7,234 AUD
$5,070 USD
View
4 more retailers have this diamond
Prices start from $3,460 AUDSave up to $3,774 AUD

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
$3,460 AUD