Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 5476366359

Certificate GIA 5476366359

Diamond specifications and retailer prices

From €296 EUR
As of November 4, 2026
Save €967 EUR (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,286 EUR at NZ Jewellers · As of September 15, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5476366359. Listed at 16 retailers as of November 4, 2026, with a 327% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5476366359
Dimensions4.90 × 4.86 × 3.02 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.90 mm4.86 mm0.45 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5476366359
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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 4
Current: €1,263 EUR|Low: €296 EUR|High: €1,286 EUR|Avg: €502 EUR|-1.8%
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
November 6, 2026
Retailer 7€296 EUR
Retailer 3€298 EUR
Retailer 11€322 EUR
Retailer 10€333 EUR
Retailer 9€338 EUR
Retailer 5€359 EUR
Retailer 4€402 EUR
Retailer 13€407 EUR
Retailer 2€422 EUR
Retailer 12€456 EUR
Retailer 6€599 EUR
Retailer 8€760 EUR
NZ Jewellers€1,263 EUR

40 data points across 13 retailers

16 retailers€296 EUR to €1,263 EUR

A
Cheapest Retailer
-
€296 EUR
A
Retailer 2
-
€298 EUR
View
Retailer 3
-
€304 EUR
View
Price last confirmed 51 days ago
Retailer 4
-
€322 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
€333 EUR
View
A
Retailer 6
-
€338 EUR
View
B+
Retailer 7
-
€402 EUR
View
B+
Retailer 8
-
€407 EUR
View
Retailer 9
-
€409 EUR
View
Price last confirmed 53 days ago
B+
Retailer 10
-
€422 EUR
View
B+
Retailer 11
-
€456 EUR
View
B+
Retailer 12
-
€502 EUR
View
B+
Retailer 13
-
€599 EUR
View
B
Retailer 14
-
€760 EUR
View
B
Retailer 15
-
€1,263 EUR
View
Most Expensive
NZ Jewellers
002be952-fe62-4d83-9b94-e61d8dcc6a1b · Sep 15
€1,286 EUR
$1,436 USD
View
Price last confirmed 52 days ago
15 more retailers have this diamond
Prices start from €296 EURSave up to €967 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
€296 EUR