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Round|Natural|GIA

0.51ct K IF Round Natural Diamond

EX • K/IF • GIA 6555679412

Certificate GIA 6555679412

Diamond specifications and retailer prices

From $626 CAD
As of November 6, 2026
Save $1,077 CAD (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,570 CAD at NZ Jewellers · As of September 28, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6555679412. Listed at 13 retailers as of November 4, 2026, with a 172% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
K
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555679412
Dimensions5.11 × 5.08 × 3.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.11 mm5.08 mm0.51 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555679412
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.1%

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: $778 CAD|Low: $626 CAD|High: $1,915 CAD|Avg: $1,017 CAD|-6.2%
Retailer 1
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 2$626 CAD
Retailer 11$682 CAD
Retailer 12$698 CAD
Retailer 1$778 CAD
Retailer 5$912 CAD
Retailer 6$922 CAD
Retailer 9$985 CAD
Retailer 3$1,074 CAD
Retailer 10$1,098 CAD
Retailer 4$1,103 CAD
Retailer 7$1,144 CAD
Retailer 8$1,702 CAD

38 data points across 12 retailers

13 retailers$626 CAD to $1,702 CAD

A
Cheapest Retailer
-
$626 CAD
A
Retailer 2
-
$682 CAD
View
Final sale: no returns
A
Retailer 3
-
$698 CAD
View
A
Retailer 4
-
$778 CAD
View
B+
Retailer 5
-
$912 CAD
View
A
Retailer 6
-
$922 CAD
View
B+
Retailer 7
-
$985 CAD
View
B+
Retailer 8
-
$1,074 CAD
View
B+
Retailer 9
-
$1,098 CAD
View
B+
Retailer 10
-
$1,144 CAD
View
B
Retailer 11
-
$1,702 CAD
View
Retailer 12
-
$2,545 CAD
View
Price last confirmed 31 days ago
Most Expensive
NZ Jewellers
03587995-2e7b-44ba-a300-74f9a7f87434 · Sep 28
$2,570 CAD
$1,840 USD
View
Price last confirmed 39 days ago
12 more retailers have this diamond
Prices start from $626 CADSave up to $1,077 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
$626 CAD