CaratHunter
Plans
Round|Natural|GIA

0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6481858730

Certificate GIA 6481858730

Diamond specifications and retailer prices

From $834 AUD
As of November 4, 2026
Save $1,783 AUD (68%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,617 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6481858730. Listed at 15 retailers as of November 4, 2026, with prices from $834 to $2,617, a $1,783 spread on the same certified stone. NZ Jewellers lists it at $2,617. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6481858730
Dimensions4.92 × 4.89 × 3.05 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
4.92 mm4.89 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6481858730
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.4°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 4
Current: $890 AUD|Low: $883 AUD|High: $1,950 AUD|Avg: $1,166 AUD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$890 AUD
Retailer 9$920 AUD
Retailer 4$930 AUD
Retailer 8$1,020 AUD
Retailer 3$1,106 AUD
Retailer 2$1,160 AUD
Retailer 7$1,254 AUD
Retailer 5$1,293 AUD
Retailer 6$1,924 AUD

46 data points across 9 retailers

15 retailers$834 AUD to $2,617 AUD

A
Cheapest Retailer
-
$834 AUD
A
Retailer 2
-
$840 AUD
View
A
Retailer 3
-
$890 AUD
View
A
Retailer 4
-
$930 AUD
View
A
Retailer 5
-
$950 AUD
View
B+
Retailer 6
-
$963 AUD
View
B+
Retailer 7
-
$1,020 AUD
View
B+
Retailer 8
-
$1,079 AUD
View
B+
Retailer 9
-
$1,106 AUD
View
B+
Retailer 10
-
$1,160 AUD
View
Retailer 11
-
$1,254 AUD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$1,293 AUD
View
B
Retailer 13
-
$1,877 AUD
View
B
Retailer 14
-
$1,924 AUD
View
Most Expensive
B
NZ Jewellers
da56ff39-5a04-448e-b7b5-04e6b2156d9f · Nov 4
$2,617 AUD
$1,832 USD
View
14 more retailers have this diamond
Prices start from $834 AUDSave up to $1,783 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
$834 AUD