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Round|Natural|GIA

1.50ct N SI1 Round Natural Diamond

VG • N/SI1 • GIA 6422586419

Certificate GIA 6422586419

Diamond specifications and retailer prices

From $3,650 NZD
As of November 5, 2026
Save $3,983 NZD (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,633 NZD at NZ Jewellers · As of November 5, 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 N colour (tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6422586419. Listed at 10 retailers as of November 5, 2026, with prices from $3,650 to $7,633, a $3,983 spread on the same certified stone. NZ Jewellers lists it at $7,633. 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
N
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 6422586419
Dimensions7.09 × 7.14 × 4.58 mm
L/W Ratio1.01
Top View
7.09 mm7.14 mm1.50 ctN / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422586419
Side View
Table 57.0%Crown 38.5°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $7,633 NZD|Low: $3,650 NZD|High: $7,633 NZD|Avg: $4,561 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6$3,650 NZD
Retailer 7$3,650 NZD
Retailer 8$3,709 NZD
Retailer 5$3,819 NZD
Retailer 9$3,896 NZD
Retailer 3$4,212 NZD
Retailer 4$4,456 NZD
Retailer 2$4,947 NZD
Retailer 10$5,591 NZD
NZ Jewellers$7,633 NZD

36 data points across 10 retailers

10 retailers$3,650 NZD to $7,633 NZD

Retailer 1
-
$3,650 NZD
Price last confirmed 8 days ago
B+
Retailer 2
-
$3,650 NZD
View
B+
Retailer 3
-
$3,709 NZD
View
B+
Retailer 4
-
$3,819 NZD
View
B+
Retailer 5
-
$3,896 NZD
View
B+
Retailer 6
-
$4,212 NZD
View
B+
Retailer 7
-
$4,456 NZD
View
B+
Retailer 8
-
$4,947 NZD
View
B
Retailer 9
-
$5,591 NZD
View
Most Expensive
B
NZ Jewellers
84603215-4e36-41f1-85d1-10f869fda15e · Nov 5
$7,633 NZD
$4,291 USD
View
9 more retailers have this diamond
Prices start from $3,650 NZDSave up to $3,983 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.

B+
1.50ct Round
$3,650 NZD