CaratHunter
Plans
Round|Natural|GIA

1.50ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6495934859

Shape and cutting style on the report: Round brilliant

Certificate GIA 6495934859

Diamond specifications and retailer prices

From $4,625 AUD
As of November 4, 2026
Save $5,393 AUD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,018 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6495934859. Listed at 18 retailers as of November 2, 2026, with prices from $4,625 to $10,018, a $5,393 spread on the same certified stone. NZ Jewellers lists it at $10,018. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6495934859
Dimensions7.37 × 7.34 × 4.44 mm
L/W Ratio1.00
Star length45%
Lower girdle75%
Top View
7.37 mm7.34 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6495934859
Side View
Table 60.0%Crown 33.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 60.5%

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 4
Current: $10,018 AUD|Low: $4,625 AUD|High: $10,338 AUD|Avg: $6,453 AUD
NZ Jewellers
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
Retailer 17
November 5, 2026
Retailer 4$4,625 AUD
Retailer 8$4,700 AUD
Retailer 5$4,808 AUD
Retailer 6$4,840 AUD
Retailer 13$5,065 AUD
Retailer 3$5,210 AUD
Retailer 15$5,210 AUD
Retailer 17$5,410 AUD
Retailer 10$5,791 AUD
Retailer 9$6,011 AUD
Retailer 7$6,227 AUD
Retailer 2$6,465 AUD
Retailer 16$6,508 AUD
Retailer 11$6,540 AUD
Retailer 12$7,425 AUD
Retailer 14$9,667 AUD
NZ Jewellers$10,018 AUD

33 data points across 17 retailers

18 retailers$4,625 AUD to $10,018 AUD

A
Cheapest Retailer
-
$4,625 AUD
A
Retailer 2
-
$4,700 AUD
View
A
Retailer 3
-
$4,808 AUD
View
Final sale: no returns
A
Retailer 4
-
$4,840 AUD
View
A
Retailer 5
-
$5,065 AUD
View
A
Retailer 6
-
$5,210 AUD
View
Retailer 7
-
$5,210 AUD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$5,410 AUD
View
B+
Retailer 9
-
$5,791 AUD
View
B+
Retailer 10
-
$6,011 AUD
View
B+
Retailer 11
-
$6,227 AUD
View
Retailer 12
-
$6,417 AUD
View
Price last confirmed 17 days ago
B+
Retailer 13
-
$6,465 AUD
View
Retailer 14
-
$6,508 AUD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
$6,540 AUD
View
B
Retailer 16
-
$7,425 AUD
View
Retailer 17
-
$9,667 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
67d6ccb4-41a3-4f2e-a405-7e6611aadef1 · Nov 2
$10,018 AUD
$7,013 USD
View
17 more retailers have this diamond
Prices start from $4,625 AUDSave up to $5,393 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 Round
$4,625 AUD