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0.51ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 831666593

Shape and cutting style on the report: Round brilliant

Certificate IGI 831666593

Diamond specifications and retailer prices

From $557 CAD
As of November 5, 2026
Save $1,580 CAD (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,137 CAD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 831666593. Listed at 15 retailers as of November 4, 2026, with prices from $557 to $2,137, a $1,580 spread on the same certified stone. NZ Jewellers lists it at $2,137. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
K
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 831666593
Dimensions5.13 × 5.16 × 3.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.13 mm5.16 mm0.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 831666593
Side View
Table 58.0%Crown 34.5°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 61.2%

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: $2,137 CAD|Low: $367 CAD|High: $2,137 CAD|Avg: $785 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
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 7$367 CAD
Retailer 4$557 CAD
Retailer 12$573 CAD
Retailer 5$601 CAD
Retailer 6$601 CAD
Retailer 15$644 CAD
Retailer 2$698 CAD
Retailer 10$726 CAD
Retailer 8$740 CAD
Retailer 3$824 CAD
Retailer 13$852 CAD
Retailer 11$864 CAD
Retailer 9$1,003 CAD
Retailer 14$1,285 CAD
NZ Jewellers$2,137 CAD

26 data points across 15 retailers

15 retailers$557 CAD to $2,137 CAD

Retailer 1
-
$367 CAD
Price last confirmed 15 days ago
A
Retailer 2
-
$557 CAD
View
B+
Retailer 3
-
$573 CAD
View
Retailer 4
-
$601 CAD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$601 CAD
View
A
Retailer 6
-
$644 CAD
View
A
Retailer 7
-
$698 CAD
View
B+
Retailer 8
-
$726 CAD
View
A
Retailer 9
-
$740 CAD
View
B+
Retailer 10
-
$824 CAD
View
B+
Retailer 11
-
$852 CAD
View
B+
Retailer 12
-
$864 CAD
View
B
Retailer 13
-
$1,003 CAD
View
B
Retailer 14
-
$1,285 CAD
View
Most Expensive
B
NZ Jewellers
2fa79e66-87a0-4b32-8206-804d353d6a58 · Nov 4
$2,137 CAD
$1,530 USD
View
14 more retailers have this diamond
Prices start from $557 CADSave up to $1,580 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
0.51ct Round
$557 CAD