Round|Natural|GIA

0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6481858730

Certificate GIA 6481858730

Diamond specifications and retailer prices

From €520 EUR
As of November 4, 2026
Save €1,112 EUR (68%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,632 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 6481858730. Listed at 15 retailers as of November 4, 2026, with prices from €520 to €1,632, a €1,112 spread on the same certified stone. NZ Jewellers lists it at €1,632. 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
FluorescenceStrong
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6481858730
Dimensions4.92 × 4.89 × 3.05 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
4.92 mm4.89 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6481858730
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.1%

Caratlytics Score

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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 4
Current: €684 EUR|Low: €551 EUR|High: €1,216 EUR|Avg: €747 EUR|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2€555 EUR
Retailer 4€580 EUR
Retailer 8€636 EUR
Retailer 1€684 EUR
Retailer 3€723 EUR
Retailer 7€782 EUR
Retailer 5€806 EUR
Retailer 6€1,200 EUR

46 data points across 8 retailers

15 retailers€520 EUR to €1,632 EUR

A
Cheapest Retailer
-
€520 EUR
A
Retailer 2
-
€524 EUR
View
A
Retailer 3
-
€555 EUR
View
A
Retailer 4
-
€580 EUR
View
A
Retailer 5
-
€592 EUR
View
B+
Retailer 6
-
€601 EUR
View
B+
Retailer 7
-
€636 EUR
View
B+
Retailer 8
-
€673 EUR
View
B+
Retailer 9
-
€684 EUR
View
B+
Retailer 10
-
€723 EUR
View
Retailer 11
-
€782 EUR
View
Price last confirmed 33 days ago
B+
Retailer 12
-
€806 EUR
View
B
Retailer 13
-
€1,171 EUR
View
B
Retailer 14
-
€1,200 EUR
View
Most Expensive
B
NZ Jewellers
da56ff39-5a04-448e-b7b5-04e6b2156d9f · Nov 4
€1,632 EUR
$1,832 USD
View
14 more retailers have this diamond
Prices start from €520 EURSave up to €1,112 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
€520 EUR