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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 $5,841 NZD
As of November 4, 2026
Save $6,810 NZD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,651 NZD 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 $5,841 to $12,651, a $6,810 spread on the same certified stone. NZ Jewellers lists it at $12,651. 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: $12,651 NZD|Low: $5,841 NZD|High: $13,055 NZD|Avg: $8,149 NZD
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$5,841 NZD
Retailer 8$5,935 NZD
Retailer 5$6,072 NZD
Retailer 6$6,112 NZD
Retailer 13$6,397 NZD
Retailer 3$6,579 NZD
Retailer 15$6,579 NZD
Retailer 17$6,831 NZD
Retailer 10$7,313 NZD
Retailer 9$7,591 NZD
Retailer 7$7,863 NZD
Retailer 2$8,164 NZD
Retailer 16$8,219 NZD
Retailer 11$8,258 NZD
Retailer 12$9,377 NZD
Retailer 14$12,207 NZD
NZ Jewellers$12,651 NZD

33 data points across 17 retailers

18 retailers$5,841 NZD to $12,651 NZD

A
Cheapest Retailer
-
$5,841 NZD
A
Retailer 2
-
$5,935 NZD
View
A
Retailer 3
-
$6,072 NZD
View
Final sale: no returns
A
Retailer 4
-
$6,112 NZD
View
A
Retailer 5
-
$6,397 NZD
View
A
Retailer 6
-
$6,579 NZD
View
Retailer 7
-
$6,579 NZD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$6,831 NZD
View
B+
Retailer 9
-
$7,313 NZD
View
B+
Retailer 10
-
$7,591 NZD
View
B+
Retailer 11
-
$7,863 NZD
View
Retailer 12
-
$8,103 NZD
View
Price last confirmed 17 days ago
B+
Retailer 13
-
$8,164 NZD
View
Retailer 14
-
$8,219 NZD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
$8,258 NZD
View
B
Retailer 16
-
$9,377 NZD
View
Retailer 17
-
$12,207 NZD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
67d6ccb4-41a3-4f2e-a405-7e6611aadef1 · Nov 2
$12,651 NZD
$7,013 USD
View
17 more retailers have this diamond
Prices start from $5,841 NZDSave up to $6,810 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
$5,841 NZD