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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 $2,931 AUD
As of November 5, 2026
Save $3,198 AUD (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,130 AUD 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 $2,931 to $6,130, a $3,198 spread on the same certified stone. NZ Jewellers lists it at $6,130. 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: $6,130 AUD|Low: $2,931 AUD|High: $6,130 AUD|Avg: $3,663 AUD
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$2,931 AUD
Retailer 7$2,931 AUD
Retailer 8$2,978 AUD
Retailer 5$3,067 AUD
Retailer 9$3,128 AUD
Retailer 3$3,383 AUD
Retailer 4$3,578 AUD
Retailer 2$3,973 AUD
Retailer 10$4,490 AUD
NZ Jewellers$6,130 AUD

36 data points across 10 retailers

10 retailers$2,931 AUD to $6,130 AUD

Retailer 1
-
$2,931 AUD
Price last confirmed 8 days ago
B+
Retailer 2
-
$2,931 AUD
View
B+
Retailer 3
-
$2,978 AUD
View
B+
Retailer 4
-
$3,067 AUD
View
B+
Retailer 5
-
$3,128 AUD
View
B+
Retailer 6
-
$3,383 AUD
View
B+
Retailer 7
-
$3,578 AUD
View
B+
Retailer 8
-
$3,973 AUD
View
B
Retailer 9
-
$4,490 AUD
View
Most Expensive
B
NZ Jewellers
84603215-4e36-41f1-85d1-10f869fda15e · Nov 5
$6,130 AUD
$4,291 USD
View
9 more retailers have this diamond
Prices start from $2,931 AUDSave up to $3,198 AUD

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
$2,931 AUD