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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 $591 CAD
As of November 4, 2026
Save $1,688 CAD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,279 CAD 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 $591 to $2,279, a $1,688 spread on the same certified stone. NZ Jewellers lists it at $2,279. 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
Color
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

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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 4
Current: $2,279 CAD|Low: $670 CAD|High: $2,279 CAD|Avg: $1,110 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$670 CAD
Retailer 7$709 CAD
Retailer 9$802 CAD
Retailer 8$807 CAD
Retailer 2$897 CAD
Retailer 4$975 CAD
Retailer 3$983 CAD
Retailer 6$1,676 CAD
NZ Jewellers$2,279 CAD

44 data points across 9 retailers

14 retailers$591 CAD to $2,279 CAD

A
Cheapest Retailer
-
$591 CAD
A
Retailer 2
-
$658 CAD
View
A
Retailer 3
-
$670 CAD
View
B+
Retailer 4
-
$686 CAD
View
Retailer 5
-
$709 CAD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$709 CAD
View
B+
Retailer 7
-
$760 CAD
View
B+
Retailer 8
-
$802 CAD
View
B+
Retailer 9
-
$858 CAD
View
B+
Retailer 10
-
$897 CAD
View
B
Retailer 11
-
$975 CAD
View
B
Retailer 12
-
$983 CAD
View
B
Retailer 13
-
$1,676 CAD
View
Most Expensive
C
NZ Jewellers
5d9f9c32-6160-4e3e-9dce-60209f351591 · Nov 4
$2,279 CAD
$1,632 USD
View
13 more retailers have this diamond
Prices start from $591 CADSave up to $1,688 CAD

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
$591 CAD