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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 €524 EUR
As of November 6, 2026
Save €1,463 EUR (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,987 EUR 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 €524 to €1,987, a €1,463 spread on the same certified stone. NZ Jewellers lists it at €1,987. 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: €1,987 EUR|Low: €513 EUR|High: €1,987 EUR|Avg: €950 EUR
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€524 EUR
Retailer 4€648 EUR
Retailer 14€673 EUR
Retailer 2€748 EUR
Retailer 5€748 EUR
Retailer 6€751 EUR
Retailer 12€806 EUR
Retailer 8€814 EUR
Retailer 7€844 EUR
Retailer 13€952 EUR
Retailer 9€982 EUR
Retailer 3€1,356 EUR
Retailer 10€1,461 EUR
NZ Jewellers€1,987 EUR

41 data points across 14 retailers

16 retailers€524 EUR to €1,987 EUR

A
Cheapest Retailer
-
€524 EUR
Retailer 2
-
€613 EUR
View
Price last confirmed 82 days ago
B+
Retailer 3
-
€648 EUR
View
B+
Retailer 4
-
€673 EUR
View
B+
Retailer 5
-
€748 EUR
View
B+
Retailer 6
-
€748 EUR
View
B+
Retailer 7
-
€751 EUR
View
B
Retailer 8
-
€806 EUR
View
B+
Retailer 9
-
€814 EUR
View
B+
Retailer 10
-
€844 EUR
View
Retailer 11
-
€952 EUR
View
Price last confirmed 33 days ago
B+
Retailer 12
-
€982 EUR
View
B
Retailer 13
-
€1,221 EUR
View
B
Retailer 14
-
€1,356 EUR
View
B
Retailer 15
-
€1,461 EUR
View
Most Expensive
B
NZ Jewellers
18cc1ee0-904f-40e3-bef9-de8894133523 · Nov 4
€1,987 EUR
$2,230 USD
View
15 more retailers have this diamond
Prices start from €524 EURSave up to €1,463 EUR

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
€524 EUR