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Round|Natural|GIA

0.51ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5293326024

Certificate GIA 5293326024

Diamond specifications and retailer prices

From $758 CAD
As of November 4, 2026
Save $866 CAD (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,698 CAD at NZ Jewellers · As of October 27, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5293326024. Listed at 10 retailers as of November 2, 2026, with a 114% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5293326024
Dimensions5.13 × 5.11 × 3.17 mm
L/W Ratio1.00
Top View
5.13 mm5.11 mm0.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5293326024
Side View
Table 56.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 62.0%

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 4
Current: $2,698 CAD|Low: $637 CAD|High: $2,698 CAD|Avg: $1,078 CAD|+1.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$637 CAD
Retailer 8$758 CAD
Retailer 9$758 CAD
Retailer 11$804 CAD
Retailer 7$811 CAD
Retailer 2$835 CAD
Retailer 4$867 CAD
Retailer 10$887 CAD
Retailer 5$1,052 CAD
Retailer 6$1,624 CAD
NZ Jewellers$2,698 CAD

33 data points across 11 retailers

10 retailers$758 CAD to $1,624 CAD

A
Cheapest Retailer
-
$758 CAD
Retailer 2
-
$758 CAD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$804 CAD
View
Retailer 4
-
$811 CAD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$835 CAD
View
A
Retailer 6
-
$867 CAD
View
A
Retailer 7
-
$887 CAD
View
B+
Retailer 8
-
$1,052 CAD
View
B
Retailer 9
-
$1,624 CAD
View
Most Expensive
NZ Jewellers
f58859dc-206d-428f-ac7e-8eb1f0cd5ad1 · Oct 27
$2,698 CAD
$1,932 USD
View
Price last confirmed 10 days ago
9 more retailers have this diamond
Prices start from $758 CADSave up to $866 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
$758 CAD