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Princess|Natural|GIA

1.50ct J SI1 Princess Natural Diamond

EX • J/SI1 • GIA 5566038986

Certificate GIA 5566038986

Diamond specifications and retailer prices

From $4,108 AUD
$2,885 USD
As of October 31, 2026
Save $3,702 AUD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,810 AUD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

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 stated by the retailer rather than the lab and certified by GIA 5566038986. Listed at 15 retailers as of October 31, 2026, with prices from $4,108 to $7,810, a $3,702 spread on the same certified stone. Helzberg Diamonds lists it at $7,810. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.01°
Pavilion angle38.53°
OriginNatural
Grading LabGIA
CertificateGIA 5566038986
Dimensions6.19 × 6.12 × 4.49 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.19 mm6.12 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566038986
Side View
Table 73.0%Crown 30.01°Girdle: STK-THKPavilion 38.53°Culet: NoneDepth 73.4%

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: $7,810 AUD|Low: $4,108 AUD|High: $8,301 AUD|Avg: $5,578 AUD|-5.9%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 11$4,108 AUD
Retailer 16$4,184 AUD
Retailer 7$4,321 AUD
Retailer 12$4,429 AUD
Retailer 13$4,439 AUD
Retailer 9$4,842 AUD
Retailer 5$4,948 AUD
Retailer 14$5,239 AUD
Retailer 3$5,269 AUD
Retailer 4$5,380 AUD
Retailer 2$5,468 AUD
Retailer 8$5,981 AUD
Retailer 10$6,412 AUD
Retailer 15$6,927 AUD
Retailer 6$7,574 AUD
Helzberg Diamonds$7,810 AUD

21 data points across 16 retailers

15 retailers$4,108 AUD to $7,810 AUD

A
Cheapest Retailer
-
$4,108 AUD
$2,885 USD
A
Retailer 2
-
$4,184 AUD
SGD 3,972 SGD
View
A
Retailer 3
-
$4,321 AUD
$3,035 USD
View
A
Retailer 4
-
$4,429 AUD
$3,111 USD
View
A
Retailer 5
-
$4,439 AUD
$3,118 USD
View
B+
Retailer 6
-
$4,842 AUD
£2,678 GBP
View
B+
Retailer 7
-
$4,948 AUD
SGD 4,697 SGD
View
B+
Retailer 8
-
$5,239 AUD
$3,680 USD
View
B+
Retailer 9
-
$5,269 AUD
$3,701 USD
View
B+
Retailer 10
-
$5,380 AUD
$3,779 USD
View
B+
Retailer 11
-
$5,468 AUD
€3,658 EUR
View
B+
Retailer 12
-
$6,412 AUD
$4,504 USD
View
B
Retailer 13
-
$6,927 AUD
$4,866 USD
View
B
Retailer 14
-
$7,574 AUD
$5,321 USD
View
Most Expensive
B
Helzberg Diamonds
XZRLLMMGJOPOM · Nov 1
$7,810 AUD
$5,486 USD
View
14 more retailers have this diamond
Prices start from $4,108 AUDSave up to $3,702 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
$4,108 AUD