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Princess|Natural|IGI

1.51ct H I1 Princess Natural Diamond

EX • H/I1 • IGI 488124104

Shape and cutting style on the report: Princess cut

Certificate IGI 488124104

Diamond specifications and retailer prices

From $3,449 AUD
$2,417 USD
As of November 1, 2026
Save $4,605 AUD (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,583 AUD at NZ Jewellers · As of September 21, 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 H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 488124104. Listed at 10 retailers as of October 30, 2026, with a 134% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle48.6°
Pavilion angle38.7°
OriginNatural
Grading LabIGI
CertificateIGI 488124104
Dimensions6.40 × 6.40 × 4.43 mm
L/W Ratio1.00
Culet sizePointed
Top View
6.40 mm6.40 mm1.51 ctH / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 488124104
Side View
Table 71.0%Crown 48.6°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 69.2%

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: $8,053 AUD|Low: $3,449 AUD|High: $8,053 AUD|Avg: $4,601 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$3,449 AUD
Retailer 4$3,851 AUD
Retailer 5$3,851 AUD
Retailer 3$4,000 AUD
Retailer 7$4,445 AUD
Retailer 2$4,808 AUD
Retailer 8$4,885 AUD
NZ Jewellers$8,053 AUD

14 data points across 8 retailers

10 retailers$3,449 AUD to $8,053 AUD

A
Cheapest Retailer
-
$3,449 AUD
$2,417 USD
B+
Retailer 2
-
$3,851 AUD
$2,699 USD
View
B+
Retailer 3
-
$3,851 AUD
$2,699 USD
View
A
Retailer 4
-
$4,000 AUD
$2,803 USD
View
Retailer 5
-
$4,105 AUD
$2,877 USD
View
Price last confirmed 41 days ago
B+
Retailer 6
-
$4,445 AUD
$3,115 USD
View
Retailer 7
-
$4,737 AUD
$3,320 USD
View
Price last confirmed 39 days ago
B+
Retailer 8
-
$4,808 AUD
€3,209 EUR
View
B
Retailer 9
-
$8,053 AUD
$5,644 USD
View
Most Expensive
NZ Jewellers
03896d3e-1a4c-432d-89d3-bf5be3287d9d · Sep 21
$8,583 AUD
$6,015 USD
View
Price last confirmed 42 days ago
9 more retailers have this diamond
Prices start from $3,449 AUDSave up to $4,605 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.

A
1.51ct Princess
$3,449 AUD