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Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 7306419501

Certificate GIA 7306419501

Diamond specifications and retailer prices

From $664 NZD
As of November 5, 2026
Save $622 NZD (48%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,285 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 7306419501. Listed at 12 retailers as of November 4, 2026, with prices from $664 to $1,285, a $622 spread on the same certified stone. MOH London lists it at $1,285. 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

0.45
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 7306419501
Dimensions4.86 × 4.83 × 3.04 mm
L/W Ratio1.01
Top View
4.86 mm4.83 mm0.45 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7306419501
Side View
Table 57.0%Crown 36.5°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 62.8%

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: $1,285 NZD|Low: $543 NZD|High: $1,331 NZD|Avg: $795 NZD|-2.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 12$543 NZD
Retailer 7$544 NZD
Retailer 11$664 NZD
Retailer 5$683 NZD
Retailer 6$694 NZD
Retailer 10$694 NZD
Retailer 9$722 NZD
Retailer 13$729 NZD
Retailer 8$760 NZD
Retailer 4$923 NZD
Retailer 3$929 NZD
Retailer 2$1,041 NZD
MOH London$1,285 NZD

26 data points across 13 retailers

12 retailers$664 NZD to $1,285 NZD

Retailer 1
-
$543 NZD
Price last confirmed 32 days ago
Retailer 2
-
$544 NZD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$664 NZD
View
Retailer 4
-
$683 NZD
View
Price last confirmed 324 days ago
B+
Retailer 5
-
$694 NZD
View
B+
Retailer 6
-
$694 NZD
View
B+
Retailer 7
-
$722 NZD
View
B+
Retailer 8
-
$729 NZD
View
B+
Retailer 9
-
$760 NZD
View
B
Retailer 10
-
$923 NZD
View
B
Retailer 11
-
$1,041 NZD
View
Most Expensive
B
MOH London
934A3DE76 · Nov 4
$1,285 NZD
£569 GBP
View
11 more retailers have this diamond
Prices start from $664 NZDSave up to $622 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+
0.45ct Round
$664 NZD