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Round|Natural|GIA

0.45ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2566515261

Certificate GIA 2566515261

Diamond specifications and retailer prices

From $489 NZD
As of November 6, 2026
Save $2,078 NZD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,567 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 top-tier cut grade and certified by GIA 2566515261. Listed at 20 retailers as of November 4, 2026, with prices from $489 to $2,567, a $2,078 spread on the same certified stone. NZ Jewellers lists it at $2,567. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.45
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566515261
Dimensions4.91 × 4.93 × 3.04 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather
Top View
4.91 mm4.93 mm0.45 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566515261
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.7%

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: $2,567 NZD|Low: $489 NZD|High: $2,623 NZD|Avg: $990 NZD|-2.1%
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
Retailer 19
November 6, 2026
Retailer 12$489 NZD
Retailer 4$577 NZD
Retailer 11$648 NZD
Retailer 19$669 NZD
Retailer 15$720 NZD
Retailer 10$738 NZD
Retailer 2$754 NZD
Retailer 18$859 NZD
Retailer 17$880 NZD
Retailer 7$902 NZD
Retailer 14$906 NZD
Retailer 5$965 NZD
Retailer 9$1,023 NZD
Retailer 3$1,043 NZD
Retailer 8$1,064 NZD
Retailer 16$1,117 NZD
Retailer 13$1,348 NZD
Retailer 6$1,542 NZD
NZ Jewellers$2,567 NZD

19 data points across 19 retailers

20 retailers$489 NZD to $2,567 NZD

A
Cheapest Retailer
-
$489 NZD
A
Retailer 2
-
$577 NZD
View
A
Retailer 3
-
$648 NZD
View
A
Retailer 4
-
$669 NZD
View
A
Retailer 5
-
$720 NZD
View
Retailer 6
-
$738 NZD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$754 NZD
View
A
Retailer 8
-
$763 NZD
View
B+
Retailer 9
-
$859 NZD
View
B+
Retailer 10
-
$880 NZD
View
B+
Retailer 11
-
$902 NZD
View
B+
Retailer 12
-
$906 NZD
View
B+
Retailer 13
-
$965 NZD
View
B+
Retailer 14
-
$1,023 NZD
View
B+
Retailer 15
-
$1,043 NZD
View
B+
Retailer 16
-
$1,064 NZD
View
B+
Retailer 17
-
$1,117 NZD
View
B
Retailer 18
-
$1,348 NZD
View
B
Retailer 19
-
$1,542 NZD
View
Most Expensive
B
NZ Jewellers
0a2bfe8e-fc94-4022-b8e1-13fced6c462f · Nov 4
$2,567 NZD
$1,423 USD
View
19 more retailers have this diamond
Prices start from $489 NZDSave up to $2,078 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
$489 NZD