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Round|Natural|GIA

0.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 6551872090

Certificate GIA 6551872090

Diamond specifications and retailer prices

From $459 CAD
As of November 5, 2026
Save $1,800 CAD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,260 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 GIA 6551872090. Listed at 19 retailers as of November 4, 2026, with prices from $459 to $2,260, a $1,800 spread on the same certified stone. NZ Jewellers lists it at $2,260. 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°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6551872090
Dimensions5.10 × 5.08 × 3.20 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud
Top View
5.10 mm5.08 mm0.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551872090
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,260 CAD|Low: $459 CAD|High: $2,283 CAD|Avg: $833 CAD|-1.0%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 13$459 CAD
Retailer 8$545 CAD
Retailer 17$552 CAD
Retailer 7$557 CAD
Retailer 5$589 CAD
Retailer 9$635 CAD
Retailer 10$635 CAD
Retailer 19$680 CAD
Retailer 14$719 CAD
Retailer 2$737 CAD
Retailer 6$739 CAD
Retailer 12$763 CAD
Retailer 3$772 CAD
Retailer 4$820 CAD
Retailer 11$887 CAD
Retailer 15$913 CAD
Retailer 16$1,008 CAD
Retailer 18$1,360 CAD
NZ Jewellers$2,260 CAD

20 data points across 19 retailers

19 retailers$459 CAD to $2,260 CAD

A
Cheapest Retailer
-
$459 CAD
A
Retailer 2
-
$545 CAD
View
Final sale: no returns
A
Retailer 3
-
$552 CAD
View
A
Retailer 4
-
$557 CAD
View
A
Retailer 5
-
$589 CAD
View
Retailer 6
-
$635 CAD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$635 CAD
View
A
Retailer 8
-
$680 CAD
View
A
Retailer 9
-
$719 CAD
View
A
Retailer 10
-
$737 CAD
View
A
Retailer 11
-
$739 CAD
View
A
Retailer 12
-
$763 CAD
View
A
Retailer 13
-
$772 CAD
View
A
Retailer 14
-
$820 CAD
View
B+
Retailer 15
-
$887 CAD
View
B+
Retailer 16
-
$913 CAD
View
B+
Retailer 17
-
$1,008 CAD
View
B
Retailer 18
-
$1,360 CAD
View
Most Expensive
B
NZ Jewellers
40e9093a-c60a-43a0-ac9e-4bf6456f55ad · Nov 4
$2,260 CAD
$1,618 USD
View
18 more retailers have this diamond
Prices start from $459 CADSave up to $1,800 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
$459 CAD