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0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2516565611

Certificate GIA 2516565611

Diamond specifications and retailer prices

From $840 AUD
As of November 6, 2026
Save $2,346 AUD (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,186 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 2516565611. Listed at 16 retailers as of November 4, 2026, with prices from $840 to $3,186, a $2,346 spread on the same certified stone. NZ Jewellers lists it at $3,186. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2516565611
Dimensions4.89 × 4.86 × 3.05 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.89 mm4.86 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2516565611
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.7%

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: $3,186 AUD|Low: $823 AUD|High: $3,186 AUD|Avg: $1,523 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
November 6, 2026
Retailer 11$840 AUD
Retailer 4$1,039 AUD
Retailer 14$1,079 AUD
Retailer 2$1,199 AUD
Retailer 5$1,199 AUD
Retailer 6$1,204 AUD
Retailer 12$1,293 AUD
Retailer 8$1,306 AUD
Retailer 7$1,353 AUD
Retailer 13$1,527 AUD
Retailer 9$1,574 AUD
Retailer 3$2,174 AUD
Retailer 10$2,343 AUD
NZ Jewellers$3,186 AUD

41 data points across 14 retailers

16 retailers$840 AUD to $3,186 AUD

A
Cheapest Retailer
-
$840 AUD
Retailer 2
-
$983 AUD
View
Price last confirmed 82 days ago
B+
Retailer 3
-
$1,039 AUD
View
B+
Retailer 4
-
$1,079 AUD
View
B+
Retailer 5
-
$1,199 AUD
View
B+
Retailer 6
-
$1,199 AUD
View
B+
Retailer 7
-
$1,204 AUD
View
B
Retailer 8
-
$1,293 AUD
View
B+
Retailer 9
-
$1,306 AUD
View
B+
Retailer 10
-
$1,353 AUD
View
Retailer 11
-
$1,527 AUD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$1,574 AUD
View
B
Retailer 13
-
$1,957 AUD
View
B
Retailer 14
-
$2,174 AUD
View
B
Retailer 15
-
$2,343 AUD
View
Most Expensive
B
NZ Jewellers
18cc1ee0-904f-40e3-bef9-de8894133523 · Nov 4
$3,186 AUD
$2,230 USD
View
15 more retailers have this diamond
Prices start from $840 AUDSave up to $2,346 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
$840 AUD