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Round|Natural|GIA

0.50ct K I1 Round Natural Diamond

EX • K/I1 • GIA 6455170204

Certificate GIA 6455170204

Diamond specifications and retailer prices

From €212 EUR
As of November 5, 2026
Save €335 EUR (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,132 EUR at NZ Jewellers · As of September 24, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 6455170204. Listed at 7 retailers as of November 5, 2026, with a 158% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.50
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6455170204
Dimensions5.04 × 5.07 × 3.18 mm
L/W Ratio1.01
Top View
5.04 mm5.07 mm0.50 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6455170204
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €212 EUR|Low: €212 EUR|High: €551 EUR|Avg: €378 EUR|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 1€212 EUR
Retailer 3€317 EUR
Retailer 4€437 EUR
Retailer 2€547 EUR

38 data points across 4 retailers

7 retailers€212 EUR to €547 EUR

A
Cheapest Retailer
-
€212 EUR
Retailer 2
-
€295 EUR
View
Price last confirmed 29 days ago
Retailer 3
-
€330 EUR
View
Price last confirmed 38 days ago
Retailer 4
-
€397 EUR
View
Price last confirmed 38 days ago
B+
Retailer 5
-
€437 EUR
View
B+
Retailer 6
-
€547 EUR
View
Most Expensive
NZ Jewellers
26c67e5a-c5d0-4fda-be7b-41622d386081 · Sep 24
€1,132 EUR
$1,270 USD
View
Price last confirmed 43 days ago
6 more retailers have this diamond
Prices start from €212 EURSave up to €335 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
€212 EUR