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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 $4,136 SGD
As of November 4, 2026
Save $4,822 SGD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,958 SGD 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 $4,136 to $8,958, a $4,822 spread on the same certified stone. NZ Jewellers lists it at $8,958. 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

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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: Nov 4
Current: $8,958 SGD|Low: $4,136 SGD|High: $9,244 SGD|Avg: $5,770 SGD
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$4,136 SGD
Retailer 8$4,202 SGD
Retailer 5$4,299 SGD
Retailer 6$4,327 SGD
Retailer 13$4,529 SGD
Retailer 3$4,658 SGD
Retailer 15$4,658 SGD
Retailer 17$4,837 SGD
Retailer 10$5,178 SGD
Retailer 9$5,375 SGD
Retailer 7$5,568 SGD
Retailer 2$5,781 SGD
Retailer 16$5,819 SGD
Retailer 11$5,847 SGD
Retailer 12$6,639 SGD
Retailer 14$8,643 SGD
NZ Jewellers$8,958 SGD

33 data points across 17 retailers

18 retailers$4,136 SGD to $8,958 SGD

A
Cheapest Retailer
-
$4,136 SGD
A
Retailer 2
-
$4,202 SGD
View
A
Retailer 3
-
$4,299 SGD
View
Final sale: no returns
A
Retailer 4
-
$4,327 SGD
View
A
Retailer 5
-
$4,529 SGD
View
A
Retailer 6
-
$4,658 SGD
View
Retailer 7
-
$4,658 SGD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$4,837 SGD
View
B+
Retailer 9
-
$5,178 SGD
View
B+
Retailer 10
-
$5,375 SGD
View
B+
Retailer 11
-
$5,568 SGD
View
Retailer 12
-
$5,738 SGD
View
Price last confirmed 17 days ago
B+
Retailer 13
-
$5,781 SGD
View
Retailer 14
-
$5,819 SGD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
$5,847 SGD
View
B
Retailer 16
-
$6,639 SGD
View
Retailer 17
-
$8,643 SGD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
67d6ccb4-41a3-4f2e-a405-7e6611aadef1 · Nov 2
$8,958 SGD
$7,013 USD
View
17 more retailers have this diamond
Prices start from $4,136 SGDSave up to $4,822 SGD

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
$4,136 SGD