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0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6502223906

Certificate GIA 6502223906

Diamond specifications and retailer prices

From $601 AUD
As of November 6, 2026
Save $1,886 AUD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,487 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 6502223906. Listed at 19 retailers as of November 4, 2026, with prices from $601 to $2,487, a $1,886 spread on the same certified stone. NZ Jewellers lists it at $2,487. 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
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6502223906
Dimensions4.89 × 4.92 × 3.08 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.89 mm4.92 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6502223906
Side View
Table 56.0%Crown 36°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,487 AUD|Low: $580 AUD|High: $2,513 AUD|Avg: $1,034 AUD|+4.3%
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
November 6, 2026
Retailer 2$601 AUD
Retailer 9$694 AUD
Retailer 17$733 AUD
Retailer 15$793 AUD
Retailer 12$801 AUD
Retailer 3$807 AUD
Retailer 4$854 AUD
Retailer 7$863 AUD
Retailer 6$916 AUD
Retailer 13$979 AUD
Retailer 11$981 AUD
Retailer 8$993 AUD
Retailer 14$1,071 AUD
Retailer 10$1,107 AUD
Retailer 16$1,229 AUD
Retailer 5$1,828 AUD
NZ Jewellers$2,487 AUD

24 data points across 17 retailers

19 retailers$601 AUD to $2,487 AUD

A
Cheapest Retailer
-
$601 AUD
A
Retailer 2
-
$694 AUD
View
A
Retailer 3
-
$733 AUD
View
Final sale: no returns
A
Retailer 4
-
$793 AUD
View
A
Retailer 5
-
$801 AUD
View
A
Retailer 6
-
$807 AUD
View
A
Retailer 7
-
$854 AUD
View
Retailer 8
-
$863 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$916 AUD
View
B+
Retailer 10
-
$979 AUD
View
B+
Retailer 11
-
$981 AUD
View
A
Retailer 12
-
$993 AUD
View
B+
Retailer 13
-
$1,071 AUD
View
B+
Retailer 14
-
$1,107 AUD
View
Retailer 15
-
$1,204 AUD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$1,229 AUD
View
B
Retailer 17
-
$1,828 AUD
View
B
Retailer 18
-
$1,874 AUD
View
Most Expensive
B
NZ Jewellers
83de6d51-aecb-469d-86d7-d4206abe0ea4 · Nov 4
$2,487 AUD
$1,741 USD
View
18 more retailers have this diamond
Prices start from $601 AUDSave up to $1,886 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
$601 AUD