Round|Natural|GIA

0.45ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2566515261

Certificate GIA 2566515261

Diamond specifications and retailer prices

From €243 EUR
As of November 6, 2026
Save €1,032 EUR (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,275 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566515261. Listed at 20 retailers as of November 4, 2026, with prices from €243 to €1,275, a €1,032 spread on the same certified stone. NZ Jewellers lists it at €1,275. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566515261
Dimensions4.91 × 4.93 × 3.04 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather
Top View
4.91 mm4.93 mm0.45 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566515261
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.7%

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: €1,275 EUR|Low: €243 EUR|High: €1,302 EUR|Avg: €492 EUR|-2.1%
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 12€243 EUR
Retailer 4€287 EUR
Retailer 11€322 EUR
Retailer 19€332 EUR
Retailer 15€357 EUR
Retailer 10€366 EUR
Retailer 2€374 EUR
Retailer 18€426 EUR
Retailer 17€437 EUR
Retailer 7€448 EUR
Retailer 14€450 EUR
Retailer 5€479 EUR
Retailer 9€508 EUR
Retailer 3€518 EUR
Retailer 8€528 EUR
Retailer 16€554 EUR
Retailer 13€669 EUR
Retailer 6€766 EUR
NZ Jewellers€1,275 EUR

19 data points across 19 retailers

20 retailers€243 EUR to €1,275 EUR

A
Cheapest Retailer
-
€243 EUR
A
Retailer 2
-
€287 EUR
View
A
Retailer 3
-
€322 EUR
View
A
Retailer 4
-
€332 EUR
View
A
Retailer 5
-
€357 EUR
View
Retailer 6
-
€366 EUR
View
Price last confirmed 8 days ago
A
Retailer 7
-
€374 EUR
View
A
Retailer 8
-
€379 EUR
View
B+
Retailer 9
-
€426 EUR
View
B+
Retailer 10
-
€437 EUR
View
B+
Retailer 11
-
€448 EUR
View
B+
Retailer 12
-
€450 EUR
View
B+
Retailer 13
-
€479 EUR
View
B+
Retailer 14
-
€508 EUR
View
B+
Retailer 15
-
€518 EUR
View
B+
Retailer 16
-
€528 EUR
View
B+
Retailer 17
-
€554 EUR
View
B
Retailer 18
-
€669 EUR
View
B
Retailer 19
-
€766 EUR
View
Most Expensive
B
NZ Jewellers
0a2bfe8e-fc94-4022-b8e1-13fced6c462f · Nov 4
€1,275 EUR
$1,423 USD
View
19 more retailers have this diamond
Prices start from €243 EURSave up to €1,032 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
€243 EUR