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Princess|Natural|IGI

1.50ct J SI1 Princess Natural Diamond

EX • J/SI1 • IGI 778617681

Shape and cutting style on the report: Princess cut

Certificate IGI 778617681

Diamond specifications and retailer prices

From $2,869 AUD
₹191,917 INR
As of November 1, 2026
Save $4,990 AUD (63%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,858 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural princess diamond

This 1.5ct natural princess sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 778617681. Listed at 19 retailers as of October 30, 2026, with prices from $2,869 to $7,858, a $4,990 spread on the same certified stone. NZ Jewellers lists it at $7,858. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.2°
Pavilion angle38.1°
OriginNatural
Grading LabIGI
CertificateIGI 778617681
Dimensions6.15 × 6.04 × 4.40 mm
L/W Ratio1.02
Culet sizePointed
Top View
6.15 mm6.04 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 778617681
Side View
Table 73.0%Crown 51.2°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 72.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,869 AUD|Low: $2,862 AUD|High: $6,666 AUD|Avg: $4,306 AUD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 1$2,869 AUD
Retailer 6$3,402 AUD
Retailer 7$3,904 AUD
Retailer 3$4,089 AUD
Retailer 4$4,621 AUD
Retailer 5$4,694 AUD
Retailer 2$6,586 AUD

38 data points across 7 retailers

19 retailers$2,869 AUD to $7,858 AUD

A
Cheapest Retailer
-
$2,869 AUD
₹191,917 INR
A
Retailer 2
-
$3,365 AUD
$2,364 USD
View
A
Retailer 3
-
$3,402 AUD
$2,390 USD
View
A
Retailer 4
-
$3,657 AUD
$2,569 USD
View
A
Retailer 5
-
$3,708 AUD
$2,605 USD
View
B+
Retailer 6
-
$3,758 AUD
$2,640 USD
View
B+
Retailer 7
-
$3,758 AUD
$2,640 USD
View
B+
Retailer 8
-
$3,904 AUD
$2,742 USD
View
B+
Retailer 9
-
$3,960 AUD
$2,782 USD
View
B+
Retailer 10
-
$3,961 AUD
$2,782 USD
View
Retailer 11
-
$4,036 AUD
$2,835 USD
View
Price last confirmed 11 days ago
A
Retailer 12
-
$4,089 AUD
£2,262 GBP
View
Retailer 13
-
$4,338 AUD
$3,047 USD
View
Price last confirmed 56 days ago
B+
Retailer 14
-
$4,338 AUD
$3,047 USD
View
B+
Retailer 15
-
$4,427 AUD
$3,110 USD
View
B+
Retailer 16
-
$4,621 AUD
ZAR 52,434 ZAR
View
B+
Retailer 17
-
$4,694 AUD
€3,140 EUR
View
B
Retailer 18
-
$6,586 AUD
£3,643 GBP
View
Most Expensive
B
NZ Jewellers
5f9c12c0-2ac3-4514-8ded-5db053f7fc23 · Oct 30
$7,858 AUD
$5,520 USD
View
18 more retailers have this diamond
Prices start from $2,869 AUDSave up to $4,990 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
1.50ct Princess
$2,869 AUD