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Round|Natural|GIA

0.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2564538320

Certificate GIA 2564538320

Diamond specifications and retailer prices

From $550 CAD
As of November 5, 2026
Save $1,697 CAD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,247 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564538320. Listed at 17 retailers as of November 4, 2026, with prices from $550 to $2,247, a $1,697 spread on the same certified stone. NZ Jewellers lists it at $2,247. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2564538320
Dimensions5.15 × 5.11 × 3.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
5.15 mm5.11 mm0.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564538320
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.0%

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 5
Current: $2,247 CAD|Low: $550 CAD|High: $2,247 CAD|Avg: $1,006 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$550 CAD
Retailer 9$691 CAD
Retailer 3$716 CAD
Retailer 11$771 CAD
Retailer 12$771 CAD
Retailer 4$827 CAD
Retailer 5$884 CAD
Retailer 2$922 CAD
Retailer 6$1,064 CAD
Retailer 8$1,110 CAD
Retailer 10$1,654 CAD
NZ Jewellers$2,247 CAD

26 data points across 12 retailers

17 retailers$550 CAD to $2,247 CAD

A
Cheapest Retailer
-
$550 CAD
A
Retailer 2
-
$608 CAD
View
A
Retailer 3
-
$642 CAD
View
A
Retailer 4
-
$691 CAD
View
A
Retailer 5
-
$716 CAD
View
B+
Retailer 6
-
$771 CAD
View
Retailer 7
-
$771 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$827 CAD
View
B+
Retailer 9
-
$884 CAD
View
B+
Retailer 10
-
$899 CAD
View
B+
Retailer 11
-
$916 CAD
View
B+
Retailer 12
-
$922 CAD
View
B
Retailer 13
-
$999 CAD
View
B+
Retailer 14
-
$1,064 CAD
View
B
Retailer 15
-
$1,110 CAD
View
B
Retailer 16
-
$1,654 CAD
View
Most Expensive
B
NZ Jewellers
4b735c9f-ad37-46e8-926f-56435415096d · Nov 4
$2,247 CAD
$1,609 USD
View
16 more retailers have this diamond
Prices start from $550 CADSave up to $1,697 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
$550 CAD