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Round|Natural|GIA

0.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6482247427

Certificate GIA 6482247427

Diamond specifications and retailer prices

From $437 CAD
As of November 5, 2026
Save $1,864 CAD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,302 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6482247427. Listed at 10 retailers as of November 4, 2026, with prices from $437 to $2,302, a $1,864 spread on the same certified stone. NZ Jewellers lists it at $2,302. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6482247427
Dimensions5.10 × 5.13 × 3.19 mm
L/W Ratio1.01
Star length50%
Top View
5.10 mm5.13 mm0.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6482247427
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: $2,302 CAD|Low: $437 CAD|High: $2,302 CAD|Avg: $934 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4$437 CAD
Retailer 6$582 CAD
Retailer 9$601 CAD
Retailer 7$647 CAD
Retailer 8$647 CAD
Retailer 10$693 CAD
Retailer 2$733 CAD
Retailer 3$964 CAD
Retailer 5$1,384 CAD
NZ Jewellers$2,302 CAD

40 data points across 10 retailers

10 retailers$437 CAD to $2,302 CAD

A
Cheapest Retailer
-
$437 CAD
A
Retailer 2
-
$582 CAD
View
A
Retailer 3
-
$601 CAD
View
Retailer 4
-
$647 CAD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$647 CAD
View
B+
Retailer 6
-
$693 CAD
View
B+
Retailer 7
-
$733 CAD
View
B+
Retailer 8
-
$964 CAD
View
B
Retailer 9
-
$1,384 CAD
View
Most Expensive
C
NZ Jewellers
e864780e-869e-4f09-b5b9-8bd65a40d5b6 · Nov 4
$2,302 CAD
$1,648 USD
View
9 more retailers have this diamond
Prices start from $437 CADSave up to $1,864 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
$437 CAD