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Round|Natural|GIA

0.45ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 6243075892

Certificate GIA 6243075892

Diamond specifications and retailer prices

From $491 NZD
As of November 6, 2026
Save $1,921 NZD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,412 NZD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6243075892. Listed at 19 retailers as of November 4, 2026, with prices from $491 to $2,412, a $1,921 spread on the same certified stone. NZ Jewellers lists it at $2,412. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6243075892
Dimensions4.81 × 4.74 × 3.10 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
4.81 mm4.74 mm0.45 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6243075892
Side View
Table 56.0%Crown 38°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 64.9%

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: $2,412 NZD|Low: $491 NZD|High: $2,412 NZD|Avg: $946 NZD
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
Retailer 18
November 6, 2026
Retailer 8$491 NZD
Retailer 9$568 NZD
Retailer 7$630 NZD
Retailer 15$630 NZD
Retailer 12$662 NZD
Retailer 3$678 NZD
Retailer 2$702 NZD
Retailer 13$803 NZD
Retailer 14$835 NZD
Retailer 6$848 NZD
Retailer 4$864 NZD
Retailer 16$980 NZD
Retailer 10$1,007 NZD
Retailer 5$1,028 NZD
Retailer 17$1,050 NZD
Retailer 11$1,266 NZD
Retailer 18$1,461 NZD
NZ Jewellers$2,412 NZD

39 data points across 18 retailers

19 retailers$491 NZD to $2,412 NZD

A
Cheapest Retailer
-
$491 NZD
A
Retailer 2
-
$568 NZD
View
B+
Retailer 3
-
$630 NZD
View
B+
Retailer 4
-
$630 NZD
View
B+
Retailer 5
-
$662 NZD
View
Retailer 6
-
$678 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$702 NZD
View
B+
Retailer 8
-
$803 NZD
View
B+
Retailer 9
-
$835 NZD
View
B+
Retailer 10
-
$848 NZD
View
B+
Retailer 11
-
$864 NZD
View
B+
Retailer 12
-
$907 NZD
View
B+
Retailer 13
-
$980 NZD
View
Retailer 14
-
$1,007 NZD
View
Price last confirmed 34 days ago
B
Retailer 15
-
$1,028 NZD
View
B
Retailer 16
-
$1,050 NZD
View
B
Retailer 17
-
$1,266 NZD
View
Retailer 18
-
$1,461 NZD
View
Price last confirmed 8 days ago
Most Expensive
C
NZ Jewellers
0556c36a-32ac-4dcc-a3de-a59812f093b0 · Nov 4
$2,412 NZD
$1,337 USD
View
18 more retailers have this diamond
Prices start from $491 NZDSave up to $1,921 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
0.45ct Round
$491 NZD