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Round|Natural|GIA

0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7566227660

Certificate GIA 7566227660

Diamond specifications and retailer prices

From $946 AUD
As of November 5, 2026
Save $2,188 AUD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,134 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 7566227660. Listed at 16 retailers as of November 4, 2026, with prices from $946 to $3,134, a $2,188 spread on the same certified stone. NZ Jewellers lists it at $3,134. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7566227660
Dimensions4.87 × 4.89 × 3.03 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal
Top View
4.87 mm4.89 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566227660
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

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 5
Current: $3,134 AUD|Low: $729 AUD|High: $3,134 AUD|Avg: $1,297 AUD
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
November 6, 2026
Retailer 7$854 AUD
Retailer 8$931 AUD
Retailer 13$950 AUD
Retailer 4$1,000 AUD
Retailer 15$1,000 AUD
Retailer 6$1,039 AUD
Retailer 10$1,100 AUD
Retailer 5$1,153 AUD
Retailer 3$1,187 AUD
Retailer 16$1,209 AUD
Retailer 12$1,257 AUD
Retailer 9$1,330 AUD
Retailer 11$1,550 AUD
Retailer 2$1,964 AUD
Retailer 14$2,254 AUD
NZ Jewellers$3,134 AUD

38 data points across 16 retailers

16 retailers$946 AUD to $3,134 AUD

Retailer 1
-
$931 AUD
Price last confirmed 27 days ago
A
Retailer 2
-
$946 AUD
View
A
Retailer 3
-
$950 AUD
View
B+
Retailer 4
-
$1,000 AUD
View
Retailer 5
-
$1,000 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$1,039 AUD
View
B+
Retailer 7
-
$1,100 AUD
View
B+
Retailer 8
-
$1,153 AUD
View
B+
Retailer 9
-
$1,187 AUD
View
B+
Retailer 10
-
$1,209 AUD
View
B+
Retailer 11
-
$1,257 AUD
View
B+
Retailer 12
-
$1,330 AUD
View
B+
Retailer 13
-
$1,550 AUD
View
B
Retailer 14
-
$1,964 AUD
View
B
Retailer 15
-
$2,254 AUD
View
Most Expensive
B
NZ Jewellers
e2978376-a40a-4fd7-b94b-440d1320093a · Nov 4
$3,134 AUD
$2,194 USD
View
15 more retailers have this diamond
Prices start from $946 AUDSave up to $2,188 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
$946 AUD