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Round|Natural|IGI

0.51ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 508117087

Shape and cutting style on the report: Round brilliant

Certificate IGI 508117087

Diamond specifications and retailer prices

From $465 CAD
As of November 6, 2026
Save $1,982 CAD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,447 CAD at NZ Jewellers · As of October 20, 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 508117087. Listed at 21 retailers as of November 4, 2026, with a 426% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceFaint
Crown angle34.6°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 508117087
Dimensions5.14 × 5.11 × 3.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.14 mm5.11 mm0.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 508117087
Side View
Table 57.5%Crown 34.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.0%

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 6
Current: $2,447 CAD|Low: $465 CAD|High: $2,447 CAD|Avg: $1,176 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$465 CAD
Retailer 10$687 CAD
Retailer 6$813 CAD
Retailer 5$816 CAD
Retailer 11$851 CAD
Retailer 4$911 CAD
Retailer 8$929 CAD
Retailer 7$989 CAD
Retailer 9$1,472 CAD
Retailer 3$1,878 CAD
NZ Jewellers$2,447 CAD

38 data points across 11 retailers

21 retailers$465 CAD to $2,447 CAD

A
Cheapest Retailer
-
$465 CAD
Retailer 2
-
$638 CAD
View
Price last confirmed 44 days ago
Retailer 3
-
$638 CAD
View
Price last confirmed 17 days ago
Retailer 4
-
$663 CAD
View
Price last confirmed 30 days ago
Retailer 5
-
$687 CAD
View
Price last confirmed 8 days ago
Retailer 6
-
$736 CAD
View
Price last confirmed 45 days ago
A
Retailer 7
-
$736 CAD
View
A
Retailer 8
-
$736 CAD
View
B+
Retailer 9
-
$813 CAD
View
B+
Retailer 10
-
$816 CAD
View
B+
Retailer 11
-
$821 CAD
View
B+
Retailer 12
-
$851 CAD
View
B+
Retailer 13
-
$911 CAD
View
B+
Retailer 14
-
$929 CAD
View
B+
Retailer 15
-
$989 CAD
View
B
Retailer 16
-
$1,472 CAD
View
Retailer 17
-
$1,878 CAD
View
Price last confirmed 16 days ago
Retailer 18
-
$2,026 CAD
View
Price last confirmed 15 days ago
B
Retailer 19
-
$2,447 CAD
View
Retailer 20
-
$2,447 CAD
View
Price last confirmed 46 days ago
Most Expensive
NZ Jewellers
c9809af7-3e34-415e-ba69-30e5413ca627 · Oct 20
$2,447 CAD
$1,752 USD
View
Price last confirmed 17 days ago
20 more retailers have this diamond
Prices start from $465 CADSave up to $1,982 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
$465 CAD