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Round|Natural|GIA

0.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2567646182

Certificate GIA 2567646182

Diamond specifications and retailer prices

From €299 EUR
As of November 7, 2026
Save €1,284 EUR (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,584 EUR at NZ Jewellers · As of November 6, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2567646182. Listed at 19 retailers as of November 6, 2026, with prices from €299 to €1,584, a €1,284 spread on the same certified stone. NZ Jewellers lists it at €1,584. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2567646182
Dimensions5.07 × 5.11 × 3.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
5.07 mm5.11 mm0.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567646182
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.3%

Caratlytics Score

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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 7
Current: €1,584 EUR|Low: €299 EUR|High: €1,670 EUR|Avg: €610 EUR|-5.2%
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 7, 2026
Retailer 12€299 EUR
Retailer 6€391 EUR
Retailer 5€413 EUR
Retailer 8€445 EUR
Retailer 18€445 EUR
Retailer 9€448 EUR
Retailer 10€476 EUR
Retailer 13€482 EUR
Retailer 19€507 EUR
Retailer 3€530 EUR
Retailer 16€535 EUR
Retailer 15€537 EUR
Retailer 2€588 EUR
Retailer 11€599 EUR
Retailer 4€600 EUR
Retailer 7€640 EUR
Retailer 17€949 EUR
Retailer 14€1,429 EUR
NZ Jewellers€1,584 EUR

15 data points across 19 retailers

19 retailers€299 EUR to €1,584 EUR

A
Cheapest Retailer
-
€299 EUR
A
Retailer 2
-
€391 EUR
View
A
Retailer 3
-
€413 EUR
View
A
Retailer 4
-
€445 EUR
View
A
Retailer 5
-
€445 EUR
View
A
Retailer 6
-
€448 EUR
View
A
Retailer 7
-
€476 EUR
View
B+
Retailer 8
-
€482 EUR
View
B+
Retailer 9
-
€507 EUR
View
B+
Retailer 10
-
€530 EUR
View
B+
Retailer 11
-
€535 EUR
View
B+
Retailer 12
-
€537 EUR
View
B+
Retailer 13
-
€588 EUR
View
B+
Retailer 14
-
€599 EUR
View
B+
Retailer 15
-
€600 EUR
View
B+
Retailer 16
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€640 EUR
View
B
Retailer 17
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€949 EUR
View
B
Retailer 18
-
€1,429 EUR
View
Most Expensive
B
NZ Jewellers
a9954066-2a05-41eb-84a9-9de8698297aa · Nov 6
€1,584 EUR
$1,768 USD
View
18 more retailers have this diamond
Prices start from €299 EURSave up to €1,284 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
€299 EUR