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Round|Natural|GIA

1.50ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 6495149114

Certificate GIA 6495149114

Diamond specifications and retailer prices

From $5,563 NZD
As of November 6, 2026
Save $8,794 NZD (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,357 NZD at Adiamor · As of November 5, 2026
View at Adiamor

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 very-good cut grade and certified by GIA 6495149114. Listed at 18 retailers as of November 5, 2026, with prices from $5,563 to $14,357, a $8,794 spread on the same certified stone. Adiamor lists it at $14,357. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6495149114
Dimensions7.46 × 7.42 × 4.40 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.46 mm7.42 mm1.50 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6495149114
Side View
Table 61.0%Crown 31.5°Girdle: ThickPavilion 40.8°Culet: NoneDepth 59.1%

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 6
Current: $13,073 NZD|Low: $5,563 NZD|High: $13,073 NZD|Avg: $7,756 NZD|+113.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 5$5,563 NZD
Retailer 10$5,657 NZD
Retailer 2$5,875 NZD
Retailer 11$6,655 NZD
Retailer 12$6,795 NZD
Retailer 6$7,118 NZD
Retailer 4$7,724 NZD
Retailer 7$7,775 NZD
Retailer 9$8,118 NZD
Retailer 3$10,114 NZD
Retailer 8$12,883 NZD
Retailer 1$13,073 NZD

38 data points across 12 retailers

18 retailers$5,563 NZD to $14,357 NZD

A
Cheapest Retailer
-
$5,563 NZD
B+
Retailer 2
-
$5,657 NZD
View
B+
Retailer 3
-
$5,875 NZD
View
Final sale: no returns
B+
Retailer 4
-
$6,655 NZD
View
B+
Retailer 5
-
$6,795 NZD
View
B+
Retailer 6
-
$7,118 NZD
View
Retailer 7
-
$7,226 NZD
View
Price last confirmed 109 days ago
B+
Retailer 8
-
$7,724 NZD
View
Retailer 9
-
$7,724 NZD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$7,724 NZD
View
B+
Retailer 11
-
$7,775 NZD
View
B+
Retailer 12
-
$7,991 NZD
View
B+
Retailer 13
-
$8,118 NZD
View
B
Retailer 14
-
$8,913 NZD
View
B
Retailer 15
-
$12,883 NZD
View
C
Retailer 16
-
$13,073 NZD
View
C
Retailer 17
-
$13,457 NZD
View
Most Expensive
C
Adiamor
D-64719739 · Nov 5
$14,357 NZD
$7,959 USD
View
17 more retailers have this diamond
Prices start from $5,563 NZDSave up to $8,794 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
$5,563 NZD