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Round|Natural|GIA

0.45ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2567072308

Certificate GIA 2567072308

Diamond specifications and retailer prices

From $387 AUD
As of November 6, 2026
Save $1,690 AUD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,077 AUD 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 2567072308. Listed at 16 retailers as of November 4, 2026, with prices from $387 to $2,077, a $1,690 spread on the same certified stone. NZ Jewellers lists it at $2,077. 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 angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2567072308
Dimensions4.86 × 4.90 × 3.03 mm
L/W Ratio1.01
Top View
4.86 mm4.90 mm0.45 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567072308
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

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: $2,077 AUD|Low: $387 AUD|High: $2,163 AUD|Avg: $822 AUD|-4.0%
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
November 6, 2026
Retailer 2$387 AUD
Retailer 5$466 AUD
Retailer 4$541 AUD
Retailer 6$587 AUD
Retailer 7$597 AUD
Retailer 15$604 AUD
Retailer 8$694 AUD
Retailer 14$729 AUD
Retailer 3$732 AUD
Retailer 11$734 AUD
Retailer 9$844 AUD
Retailer 12$859 AUD
Retailer 13$988 AUD
Retailer 10$1,249 AUD
NZ Jewellers$2,077 AUD

26 data points across 15 retailers

16 retailers$387 AUD to $2,077 AUD

A
Cheapest Retailer
-
$387 AUD
A
Retailer 2
-
$466 AUD
View
A
Retailer 3
-
$541 AUD
View
Retailer 4
-
$587 AUD
View
Price last confirmed 11 days ago
Retailer 5
-
$597 AUD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$604 AUD
View
B+
Retailer 7
-
$694 AUD
View
B+
Retailer 8
-
$729 AUD
View
B+
Retailer 9
-
$732 AUD
View
B+
Retailer 10
-
$734 AUD
View
B+
Retailer 11
-
$844 AUD
View
B+
Retailer 12
-
$859 AUD
View
Retailer 13
-
$923 AUD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
$988 AUD
View
B
Retailer 15
-
$1,249 AUD
View
Most Expensive
B
NZ Jewellers
08484d79-e08d-43e6-a004-fec55025807f · Nov 4
$2,077 AUD
$1,427 USD
View
15 more retailers have this diamond
Prices start from $387 AUDSave up to $1,690 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.

A
0.45ct Round
$387 AUD