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Round|Natural|GIA

0.51ct K I1 Round Natural Diamond

GD • K/I1 • GIA 1305652012

Certificate GIA 1305652012

Diamond specifications and retailer prices

From $615 CAD
As of November 5, 2026
Save $401 CAD (39%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,599 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 I1 clarity (included), with a standard cut grade and certified by GIA 1305652012. Listed at 6 retailers as of November 4, 2026, with a 65% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
K
Color
I1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 1305652012
Dimensions4.91 × 4.92 × 3.21 mm
L/W Ratio1.00
Star length50%
Lower girdle85%
Top View
4.91 mm4.92 mm0.51 ctK / I1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1305652012
Side View
Table 59.0%Crown 38.5°Girdle: THK-VTKPavilion 40.4°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,599 CAD|Low: $615 CAD|High: $2,599 CAD|Avg: $998 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5$615 CAD
Retailer 3$662 CAD
Retailer 7$662 CAD
Retailer 6$708 CAD
Retailer 4$750 CAD
Retailer 8$862 CAD
Retailer 2$1,015 CAD
Retailer 9$1,018 CAD
NZ Jewellers$2,599 CAD

21 data points across 9 retailers

6 retailers$615 CAD to $1,015 CAD

B+
Cheapest Retailer
-
$615 CAD
Retailer 2
-
$662 CAD
View
Price last confirmed 8 days ago
B
Retailer 3
-
$662 CAD
View
B
Retailer 4
-
$708 CAD
View
B
Retailer 5
-
$1,015 CAD
View
Most Expensive
NZ Jewellers
f5f2466e-8c45-4dee-a380-753781a455b1 · Nov 4
$2,599 CAD
$1,861 USD
View
Price under review
5 more retailers have this diamond
Prices start from $615 CADSave up to $401 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.

B+
0.51ct Round
$615 CAD