Round|Natural|GIA

1.50ct J IF Round Natural Diamond

EX • J/IF • GIA 2558154830

Certificate GIA 2558154830

Diamond specifications and retailer prices

From $5,145 USD
As of October 30, 2026
Save $3,793 USD (42%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,664 USD 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 October 26, 2026, with a 74% 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,706 USD|Low: $5,145 USD|High: $9,507 USD|Avg: $6,385 USD|-9.2%
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
October 30, 2026
Retailer 12$5,145 USD
Retailer 14$5,425 USD
Retailer 3$5,446 USD
Retailer 1$5,706 USD
Retailer 8$5,717 USD
Retailer 2$5,820 USD
Retailer 7$5,851 USD
Retailer 10$5,900 USD
Retailer 11$5,900 USD
Retailer 13$6,051 USD
Retailer 9$6,464 USD
Retailer 4$6,808 USD
Retailer 5$7,378 USD
Retailer 6$8,938 USD

20 data points across 14 retailers

18 retailers$5,145 USD to $8,938 USD

A
Cheapest Retailer
-
$5,145 USD
A
Retailer 2
-
$5,425 USD
View
A
Retailer 3
-
$5,446 USD
View
Final sale: no returns
A
Retailer 4
-
$5,706 USD
View
A
Retailer 5
-
$5,717 USD
£4,502 GBP
View
A
Retailer 6
-
$5,820 USD
View
A
Retailer 7
-
$5,851 USD
£4,607 GBP
View
A
Retailer 8
-
$5,900 USD
View
A
Retailer 9
-
$5,900 USD
View
A
Retailer 10
-
$6,051 USD
View
Retailer 11
-
$6,303 USD
A$9,697 AUD
View
Price last confirmed 20 days ago
Retailer 12
-
$6,376 USD
View
Price last confirmed 36 days ago
B+
Retailer 13
-
$6,464 USD
€6,156 EUR
View
B+
Retailer 14
-
$6,808 USD
View
Retailer 15
-
$7,357 USD
View
Price last confirmed 39 days ago
B+
Retailer 16
-
$7,378 USD
ZAR 119,191 ZAR
View
B+
Retailer 17
-
$8,938 USD
£7,038 GBP
View
Most Expensive
NZ Jewellers
84ea2589-4821-4041-967f-089f49edab73 · Sep 25
$10,664 USD
View
Price last confirmed 35 days ago
17 more retailers have this diamond
Prices start from $5,145 USDSave up to $3,793 USD

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
$5,145 USD