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Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2231475190

Certificate GIA 2231475190

Diamond specifications and retailer prices

From €377 EUR
As of November 4, 2026
Save €1,077 EUR (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,454 EUR at NZ Jewellers · As of November 4, 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 2231475190. Listed at 14 retailers as of November 4, 2026, with prices from €377 to €1,454, a €1,077 spread on the same certified stone. NZ Jewellers lists it at €1,454. 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
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2231475190
Dimensions5.08 × 5.06 × 3.15 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Inscription(s): GIA 2231475190
Top View
5.08 mm5.06 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231475190
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

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: €1,454 EUR|Low: €428 EUR|High: €1,454 EUR|Avg: €708 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5€428 EUR
Retailer 7€453 EUR
Retailer 9€511 EUR
Retailer 8€515 EUR
Retailer 2€572 EUR
Retailer 4€622 EUR
Retailer 3€627 EUR
Retailer 6€1,069 EUR
NZ Jewellers€1,454 EUR

44 data points across 9 retailers

14 retailers€377 EUR to €1,454 EUR

A
Cheapest Retailer
-
€377 EUR
A
Retailer 2
-
€420 EUR
View
A
Retailer 3
-
€428 EUR
View
B+
Retailer 4
-
€437 EUR
View
Retailer 5
-
€453 EUR
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€453 EUR
View
B+
Retailer 7
-
€485 EUR
View
B+
Retailer 8
-
€511 EUR
View
B+
Retailer 9
-
€547 EUR
View
B+
Retailer 10
-
€572 EUR
View
B
Retailer 11
-
€622 EUR
View
B
Retailer 12
-
€627 EUR
View
B
Retailer 13
-
€1,069 EUR
View
Most Expensive
C
NZ Jewellers
5d9f9c32-6160-4e3e-9dce-60209f351591 · Nov 4
€1,454 EUR
$1,632 USD
View
13 more retailers have this diamond
Prices start from €377 EURSave up to €1,077 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
€377 EUR