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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 $9,129 NZD
$5,145 USD
As of November 1, 2026
Save $6,295 NZD (41%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $18,921 NZD 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: $10,145 NZD|Low: $9,129 NZD|High: $16,427 NZD|Avg: $11,197 NZD|-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$9,129 NZD
Retailer 5$9,663 NZD
Retailer 11$9,768 NZD
Retailer 12$10,124 NZD
Retailer 1$10,145 NZD
Retailer 4$10,326 NZD
Retailer 7$10,351 NZD
Retailer 13$10,468 NZD
Retailer 14$10,468 NZD
Retailer 3$10,736 NZD
Retailer 9$11,389 NZD
Retailer 6$12,079 NZD
Retailer 10$12,862 NZD
Retailer 8$15,424 NZD

22 data points across 14 retailers

18 retailers$9,129 NZD to $15,424 NZD

A
Cheapest Retailer
-
$9,129 NZD
$5,145 USD
A
Retailer 2
-
$9,663 NZD
$5,446 USD
View
Final sale: no returns
A
Retailer 3
-
$9,768 NZD
$5,505 USD
View
A
Retailer 4
-
$10,124 NZD
$5,706 USD
View
A
Retailer 5
-
$10,145 NZD
£4,502 GBP
View
A
Retailer 6
-
$10,326 NZD
$5,820 USD
View
A
Retailer 7
-
$10,351 NZD
£4,593 GBP
View
A
Retailer 8
-
$10,468 NZD
$5,900 USD
View
A
Retailer 9
-
$10,468 NZD
$5,900 USD
View
A
Retailer 10
-
$10,736 NZD
$6,051 USD
View
Retailer 11
-
$11,184 NZD
A$9,697 AUD
View
Price last confirmed 22 days ago
Retailer 12
-
$11,313 NZD
$6,376 USD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$11,389 NZD
€6,113 EUR
View
B+
Retailer 14
-
$12,079 NZD
$6,808 USD
View
B+
Retailer 15
-
$12,862 NZD
ZAR 117,110 ZAR
View
Retailer 16
-
$13,054 NZD
$7,357 USD
View
Price last confirmed 41 days ago
B+
Retailer 17
-
$15,424 NZD
£6,845 GBP
View
Most Expensive
NZ Jewellers
84ea2589-4821-4041-967f-089f49edab73 · Sep 25
$18,921 NZD
$10,664 USD
View
Price last confirmed 37 days ago
17 more retailers have this diamond
Prices start from $9,129 NZDSave up to $6,295 NZD

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
$9,129 NZD