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Round|Natural|GIA

1.50ct J I1 Round Natural Diamond

EX • J/I1 • GIA 2528798384

Certificate GIA 2528798384

Diamond specifications and retailer prices

From $4,928 NZD
HK$21,700 HKD
As of November 1, 2026
Save $2,712 NZD (35%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,593 NZD at NZ Jewellers · As of October 23, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 2528798384. Listed at 9 retailers as of November 1, 2026, with a 55% 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
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2528798384
Dimensions7.30 × 7.27 × 4.56 mm
L/W Ratio1.00
Top View
7.30 mm7.27 mm1.50 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2528798384
Side View
Table 59.0%Crown 35°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 62.6%

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: $11,593 NZD|Low: $4,928 NZD|High: $11,943 NZD|Avg: $7,111 NZD|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$4,928 NZD
Retailer 7$5,181 NZD
Retailer 9$5,266 NZD
Retailer 4$5,481 NZD
Retailer 10$5,582 NZD
Retailer 2$6,019 NZD
Retailer 3$7,010 NZD
Retailer 5$7,640 NZD
Retailer 11$8,120 NZD
Retailer 8$10,096 NZD
NZ Jewellers$11,593 NZD

22 data points across 11 retailers

9 retailers$4,928 NZD to $7,640 NZD

A
Cheapest Retailer
-
$4,928 NZD
HK$21,700 HKD
A
Retailer 2
-
$5,181 NZD
$2,920 USD
View
B+
Retailer 3
-
$5,266 NZD
$2,968 USD
View
B+
Retailer 4
-
$5,481 NZD
$3,089 USD
View
Final sale: no returns
B+
Retailer 5
-
$5,582 NZD
$3,146 USD
View
B+
Retailer 6
-
$6,019 NZD
$3,393 USD
View
B
Retailer 7
-
$7,640 NZD
€4,101 EUR
View
Retailer 8
-
$10,096 NZD
$5,690 USD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
b4ddd706-92aa-4ab3-8e49-f72a8af05be7 · Oct 23
$11,593 NZD
$6,534 USD
View
Price last confirmed 9 days ago
8 more retailers have this diamond
Prices start from $4,928 NZDSave up to $2,712 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
$4,928 NZD