Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2397485223

Certificate GIA 2397485223

Diamond specifications and retailer prices

From €250 EUR
As of November 6, 2026
Save €255 EUR (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,132 EUR at NZ Jewellers · As of October 26, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2397485223. Listed at 15 retailers as of November 6, 2026, with a 102% 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

0.50
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2397485223
Dimensions5.15 × 5.13 × 3.10 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
5.15 mm5.13 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2397485223
Side View
Table 61.0%Crown 32.5°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €1,132 EUR|Low: €286 EUR|High: €1,132 EUR|Avg: €520 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5€287 EUR
Retailer 2€310 EUR
Retailer 8€317 EUR
Retailer 7€330 EUR
Retailer 9€454 EUR
Retailer 4€484 EUR
Retailer 3€505 EUR
Retailer 6€683 EUR
NZ Jewellers€1,132 EUR

43 data points across 9 retailers

15 retailers€250 EUR to €505 EUR

A
Cheapest Retailer
-
€250 EUR
A
Retailer 2
-
€287 EUR
View
Retailer 3
-
€295 EUR
View
Price last confirmed 12 days ago
A
Retailer 4
-
€310 EUR
View
Retailer 5
-
€312 EUR
View
Price last confirmed 16 days ago
Retailer 6
-
€318 EUR
View
Price last confirmed 12 days ago
Retailer 7
-
€330 EUR
View
Price last confirmed 12 days ago
A
Retailer 8
-
€373 EUR
View
Retailer 9
-
€397 EUR
View
Price last confirmed 10 days ago
Retailer 10
-
€412 EUR
View
Price last confirmed 12 days ago
Retailer 11
-
€454 EUR
View
Price last confirmed 11 days ago
B+
Retailer 12
-
€484 EUR
View
B+
Retailer 13
-
€505 EUR
View
Retailer 14
-
€683 EUR
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
710d5dfe-f343-48a6-8018-a5cc2b709748 · Oct 26
€1,132 EUR
$1,270 USD
View
Price last confirmed 10 days ago
14 more retailers have this diamond
Prices start from €250 EURSave up to €255 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
0.50ct Round
€250 EUR