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Princess|Natural|IGI

1.51ct H SI2 Princess Natural Diamond

VG • H/SI2 • IGI 723518518

Shape and cutting style on the report: Princess cut

Certificate IGI 723518518

Diamond specifications and retailer prices

From $3,626 AUD
$2,547 USD
As of October 31, 2026
Save $4,392 AUD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,018 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 723518518. Listed at 12 retailers as of October 30, 2026, with prices from $3,626 to $8,018, a $4,392 spread on the same certified stone. NZ Jewellers lists it at $8,018. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle49.6°
Pavilion angle37.5°
OriginNatural
Grading LabIGI
CertificateIGI 723518518
Dimensions6.09 × 6.01 × 4.40 mm
L/W Ratio1.01
Culet sizePointed
Top View
6.09 mm6.01 mm1.51 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 723518518
Side View
Table 71.0%Crown 49.6°Girdle: STK-THKPavilion 37.5°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: Oct 31
Current: $5,386 AUD|Low: $3,528 AUD|High: $7,791 AUD|Avg: $4,622 AUD|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6$3,531 AUD
Retailer 10$3,626 AUD
Retailer 9$3,734 AUD
Retailer 8$3,847 AUD
Retailer 2$4,170 AUD
Retailer 11$4,170 AUD
Retailer 3$4,209 AUD
Retailer 5$4,459 AUD
Retailer 12$4,810 AUD
Retailer 1$5,386 AUD
Retailer 4$5,516 AUD
Retailer 7$7,738 AUD

41 data points across 12 retailers

12 retailers$3,626 AUD to $8,018 AUD

A
Cheapest Retailer
-
$3,626 AUD
$2,547 USD
A
Retailer 2
-
$3,734 AUD
$2,623 USD
View
B+
Retailer 3
-
$3,847 AUD
$2,702 USD
View
Final sale: no returns
B+
Retailer 4
-
$4,170 AUD
$2,929 USD
View
B+
Retailer 5
-
$4,170 AUD
$2,929 USD
View
B+
Retailer 6
-
$4,209 AUD
$2,957 USD
View
B+
Retailer 7
-
$4,331 AUD
$3,042 USD
View
A
Retailer 8
-
$4,459 AUD
£2,466 GBP
View
B+
Retailer 9
-
$4,810 AUD
$3,379 USD
View
B+
Retailer 10
-
$5,386 AUD
€3,603 EUR
View
B
Retailer 11
-
$7,738 AUD
£4,280 GBP
View
Most Expensive
B
NZ Jewellers
d1292a4f-3572-4b93-a0dc-e34e9f813e81 · Oct 30
$8,018 AUD
$5,632 USD
View
11 more retailers have this diamond
Prices start from $3,626 AUDSave up to $4,392 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
$3,626 AUD