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Round|Natural|GIA

0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 5563322258

Certificate GIA 5563322258

Diamond specifications and retailer prices

From $573 AUD
As of November 6, 2026
Save $1,196 AUD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,769 AUD at MOH London · As of November 4, 2026
View at MOH London

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 5563322258. Listed at 10 retailers as of November 4, 2026, with prices from $573 to $1,769, a $1,196 spread on the same certified stone. MOH London lists it at $1,769. 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 angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5563322258
Dimensions4.92 × 4.93 × 3.02 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
4.92 mm4.93 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5563322258
Side View
Table 58.0%Crown 35.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 61.3%

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: $1,769 AUD|Low: $573 AUD|High: $1,941 AUD|Avg: $1,017 AUD|-8.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$573 AUD
Retailer 9$676 AUD
Retailer 8$791 AUD
Retailer 7$843 AUD
Retailer 3$947 AUD
Retailer 6$1,023 AUD
Retailer 4$1,063 AUD
Retailer 5$1,070 AUD
MOH London$1,769 AUD

32 data points across 9 retailers

10 retailers$573 AUD to $1,769 AUD

A
Cheapest Retailer
-
$573 AUD
A
Retailer 2
-
$676 AUD
View
A
Retailer 3
-
$791 AUD
View
A
Retailer 4
-
$843 AUD
View
A
Retailer 5
-
$947 AUD
View
B+
Retailer 6
-
$1,023 AUD
View
B+
Retailer 7
-
$1,063 AUD
View
B+
Retailer 8
-
$1,070 AUD
View
Retailer 9
-
$1,251 AUD
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
BF24D3EC5 · Nov 4
$1,769 AUD
£975 GBP
View
9 more retailers have this diamond
Prices start from $573 AUDSave up to $1,196 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
$573 AUD