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Round|Natural|GIA

0.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6562618778

Certificate GIA 6562618778

Diamond specifications and retailer prices

From $510 CAD
As of November 6, 2026
Save $1,468 CAD (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,978 CAD at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562618778. Listed at 10 retailers as of November 5, 2026, with prices from $510 to $1,978, a $1,468 spread on the same certified stone. Diamond Exchange Canada lists it at $1,978. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562618778
Dimensions5.18 × 5.20 × 3.12 mm
L/W Ratio1.00
Top View
5.18 mm5.20 mm0.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562618778
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.1%

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 6
Current: $1,978 CAD|Low: $510 CAD|High: $2,074 CAD|Avg: $927 CAD|-4.6%
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$510 CAD
Retailer 8$589 CAD
Retailer 10$589 CAD
Retailer 6$627 CAD
Retailer 7$635 CAD
Retailer 3$729 CAD
Retailer 5$943 CAD
Retailer 9$958 CAD
Retailer 4$1,112 CAD
Diamond Exchange Canada$1,978 CAD

24 data points across 10 retailers

10 retailers$510 CAD to $1,978 CAD

A
Cheapest Retailer
-
$510 CAD
A
Retailer 2
-
$589 CAD
View
A
Retailer 3
-
$589 CAD
View
A
Retailer 4
-
$627 CAD
View
A
Retailer 5
-
$635 CAD
View
A
Retailer 6
-
$729 CAD
View
A
Retailer 7
-
$943 CAD
View
B+
Retailer 8
-
$958 CAD
View
B+
Retailer 9
-
$1,112 CAD
View
Most Expensive
B
Diamond Exchange Canada
1992904917 · Nov 5
$1,978 CAD
View
9 more retailers have this diamond
Prices start from $510 CADSave up to $1,468 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
$510 CAD