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Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1548025497

Certificate GIA 1548025497

Diamond specifications and retailer prices

From $473 NZD
As of November 6, 2026
Save $1,026 NZD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,702 NZD at NZ Jewellers · As of August 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1548025497. Listed at 16 retailers as of November 4, 2026, with a 217% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1548025497
Dimensions4.92 × 4.94 × 3.02 mm
L/W Ratio1.00
Star length55%
Girdle conditionFaceted
Key to symbols
Feather
Top View
4.92 mm4.94 mm0.45 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1548025497
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.2%

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: $473 NZD|Low: $473 NZD|High: $1,565 NZD|Avg: $846 NZD|-8.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$473 NZD
Retailer 2$569 NZD
Retailer 9$671 NZD
Retailer 4$703 NZD
Retailer 10$738 NZD
Retailer 5$833 NZD
Retailer 7$857 NZD
Retailer 3$882 NZD
Retailer 6$1,087 NZD
Retailer 8$1,500 NZD

31 data points across 10 retailers

16 retailers$473 NZD to $1,500 NZD

A
Cheapest Retailer
-
$473 NZD
A
Retailer 2
-
$569 NZD
View
A
Retailer 3
-
$671 NZD
View
Retailer 4
-
$683 NZD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$703 NZD
View
A
Retailer 6
-
$738 NZD
View
Retailer 7
-
$774 NZD
View
Price last confirmed 38 days ago
Retailer 8
-
$813 NZD
View
Price last confirmed 68 days ago
B+
Retailer 9
-
$833 NZD
View
B+
Retailer 10
-
$857 NZD
View
B+
Retailer 11
-
$882 NZD
View
Retailer 12
-
$920 NZD
View
Price last confirmed 35 days ago
B+
Retailer 13
-
$1,087 NZD
View
B
Retailer 14
-
$1,500 NZD
View
Retailer 15
-
$2,619 NZD
View
Price last confirmed 34 days ago
Most Expensive
NZ Jewellers
38fc1f19-a8ce-4a70-9d44-dcc7d143bacc · Aug 29
$2,702 NZD
$1,519 USD
View
Price last confirmed 69 days ago
15 more retailers have this diamond
Prices start from $473 NZDSave up to $1,026 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
$473 NZD