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Round|Natural|GIA

1.50ct J IF Round Natural Diamond

EX • J/IF • GIA 2558154830

Certificate GIA 2558154830

Diamond specifications and retailer prices

From $7,324 AUD
$5,145 USD
As of November 1, 2026
Save $5,051 AUD (41%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $15,181 AUD at NZ Jewellers · As of September 25, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2558154830. Listed at 18 retailers as of November 1, 2026, with a 69% 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

1.50
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2558154830
Dimensions7.34 × 7.39 × 4.50 mm
L/W Ratio1.01
Top View
7.34 mm7.39 mm1.50 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2558154830
Side View
Table 60.0%Crown 33°Girdle: Sli. ThickPavilion 41.6°Culet: NoneDepth 61.1%

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: $8,140 AUD|Low: $7,324 AUD|High: $13,180 AUD|Avg: $8,984 AUD|-4.3%
Retailer 1
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
November 2, 2026
Retailer 2$7,324 AUD
Retailer 5$7,753 AUD
Retailer 11$7,837 AUD
Retailer 12$8,123 AUD
Retailer 1$8,140 AUD
Retailer 4$8,285 AUD
Retailer 7$8,305 AUD
Retailer 13$8,399 AUD
Retailer 14$8,399 AUD
Retailer 3$8,614 AUD
Retailer 9$9,138 AUD
Retailer 6$9,692 AUD
Retailer 10$10,320 AUD
Retailer 8$12,376 AUD

22 data points across 14 retailers

18 retailers$7,324 AUD to $12,376 AUD

A
Cheapest Retailer
-
$7,324 AUD
$5,145 USD
A
Retailer 2
-
$7,753 AUD
$5,446 USD
View
Final sale: no returns
A
Retailer 3
-
$7,837 AUD
$5,505 USD
View
A
Retailer 4
-
$8,123 AUD
$5,706 USD
View
A
Retailer 5
-
$8,140 AUD
£4,502 GBP
View
A
Retailer 6
-
$8,285 AUD
$5,820 USD
View
A
Retailer 7
-
$8,305 AUD
£4,593 GBP
View
A
Retailer 8
-
$8,399 AUD
$5,900 USD
View
A
Retailer 9
-
$8,399 AUD
$5,900 USD
View
A
Retailer 10
-
$8,614 AUD
$6,051 USD
View
Retailer 11
-
$8,973 AUD
View
Price last confirmed 22 days ago
Retailer 12
-
$9,077 AUD
$6,376 USD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$9,138 AUD
€6,113 EUR
View
B+
Retailer 14
-
$9,692 AUD
$6,808 USD
View
B+
Retailer 15
-
$10,320 AUD
ZAR 117,110 ZAR
View
Retailer 16
-
$10,473 AUD
$7,357 USD
View
Price last confirmed 41 days ago
B+
Retailer 17
-
$12,376 AUD
£6,845 GBP
View
Most Expensive
NZ Jewellers
84ea2589-4821-4041-967f-089f49edab73 · Sep 25
$15,181 AUD
$10,664 USD
View
Price last confirmed 37 days ago
17 more retailers have this diamond
Prices start from $7,324 AUDSave up to $5,051 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
$7,324 AUD