CaratHunter
Plans
Round|Natural|GIA

0.45ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5453674935

Certificate GIA 5453674935

Diamond specifications and retailer prices

From $335 AUD
As of November 6, 2026
Save $693 AUD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,698 AUD at NZ Jewellers · As of October 3, 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 5453674935. Listed at 16 retailers as of November 4, 2026, with a 207% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5453674935
Dimensions4.87 × 4.91 × 3.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
4.87 mm4.91 mm0.45 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5453674935
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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: $335 AUD|Low: $268 AUD|High: $1,032 AUD|Avg: $546 AUD
Retailer 1
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 4$269 AUD
Retailer 1$335 AUD
Retailer 14$390 AUD
Retailer 5$393 AUD
Retailer 7$405 AUD
Retailer 13$448 AUD
Retailer 8$562 AUD
Retailer 6$600 AUD
Retailer 9$610 AUD
Retailer 2$635 AUD
Retailer 3$664 AUD
Retailer 10$693 AUD
Retailer 11$745 AUD
Retailer 15$771 AUD
Retailer 12$1,028 AUD

37 data points across 15 retailers

16 retailers$335 AUD to $1,028 AUD

A
Cheapest Retailer
-
$335 AUD
Retailer 2
-
$375 AUD
View
Price last confirmed 36 days ago
A
Retailer 3
-
$390 AUD
View
Retailer 4
-
$393 AUD
View
Price last confirmed 29 days ago
Retailer 5
-
$422 AUD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$448 AUD
View
Retailer 7
-
$505 AUD
View
Price last confirmed 35 days ago
A
Retailer 8
-
$562 AUD
View
Retailer 9
-
$600 AUD
View
Price last confirmed 34 days ago
B+
Retailer 10
-
$610 AUD
View
B+
Retailer 11
-
$635 AUD
View
B+
Retailer 12
-
$693 AUD
View
B+
Retailer 13
-
$745 AUD
View
B+
Retailer 14
-
$771 AUD
View
B
Retailer 15
-
$1,028 AUD
View
Most Expensive
NZ Jewellers
61140e6e-313c-4aea-8a0e-58ef328bf53b · Oct 3
$1,698 AUD
$1,167 USD
View
Price last confirmed 34 days ago
15 more retailers have this diamond
Prices start from $335 AUDSave up to $693 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
$335 AUD