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Round|Natural|GIA

0.45ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1533989187

Certificate GIA 1533989187

Diamond specifications and retailer prices

From €185 EUR
As of November 6, 2026
Save €989 EUR (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,174 EUR at NZ Jewellers · As of November 6, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1533989187. Listed at 21 retailers as of November 6, 2026, with prices from €185 to €1,174, a €989 spread on the same certified stone. NZ Jewellers lists it at €1,174. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1533989187
Dimensions4.92 × 4.86 × 3.03 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather
Top View
4.92 mm4.86 mm0.45 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1533989187
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.2°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 6
Current: €1,174 EUR|Low: €185 EUR|High: €1,205 EUR|Avg: €394 EUR|-1.3%
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
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 13€185 EUR
Retailer 19€202 EUR
Retailer 11€229 EUR
Retailer 7€256 EUR
Retailer 15€280 EUR
Retailer 10€287 EUR
Retailer 12€289 EUR
Retailer 2€299 EUR
Retailer 5€305 EUR
Retailer 16€321 EUR
Retailer 8€345 EUR
Retailer 18€358 EUR
Retailer 9€387 EUR
Retailer 3€399 EUR
Retailer 17€442 EUR
Retailer 6€457 EUR
Retailer 14€515 EUR
Retailer 4€590 EUR
NZ Jewellers€1,174 EUR

14 data points across 19 retailers

21 retailers€185 EUR to €1,174 EUR

A
Cheapest Retailer
-
€185 EUR
A
Retailer 2
-
€202 EUR
View
A
Retailer 3
-
€229 EUR
View
A
Retailer 4
-
€256 EUR
View
A
Retailer 5
-
€280 EUR
View
Retailer 6
-
€287 EUR
View
Price last confirmed 8 days ago
A
Retailer 7
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€289 EUR
View
A
Retailer 8
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€299 EUR
View
A
Retailer 9
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€305 EUR
View
A
Retailer 10
-
€321 EUR
View
Retailer 11
-
€336 EUR
View
Price last confirmed 51 days ago
A
Retailer 12
-
€345 EUR
View
A
Retailer 13
-
€358 EUR
View
Retailer 14
-
€387 EUR
View
Price last confirmed 7 days ago
A
Retailer 15
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€399 EUR
View
A
Retailer 16
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€442 EUR
View
A
Retailer 17
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€457 EUR
View
Retailer 18
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€493 EUR
View
Price last confirmed 38 days ago
B+
Retailer 19
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€515 EUR
View
B+
Retailer 20
-
€590 EUR
View
Most Expensive
C
NZ Jewellers
557ebd78-ab8e-40a9-ac6c-43c110e4162f · Nov 6
€1,174 EUR
$1,311 USD
View
20 more retailers have this diamond
Prices start from €185 EURSave up to €989 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
€185 EUR