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Oval|Natural|GIA

0.51ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 5566631743

Certificate GIA 5566631743

Diamond specifications and retailer prices

From $509 CAD
As of November 4, 2026
Save $1,785 CAD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,294 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval 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 stated by the retailer rather than the lab and certified by GIA 5566631743. Listed at 10 retailers as of November 4, 2026, with prices from $509 to $2,294, a $1,785 spread on the same certified stone. NZ Jewellers lists it at $2,294. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5566631743
Dimensions6.25 × 4.36 × 2.79 mm
L/W Ratio1.43
Girdle conditionVery Thick
Top View
6.25 mm4.36 mm0.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5566631743
Side View
Table 61.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 64.1%

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 4
Current: $2,294 CAD|Low: $509 CAD|High: $2,294 CAD|Avg: $1,053 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$509 CAD
Retailer 2$540 CAD
Retailer 3$868 CAD
Retailer 5$907 CAD
Retailer 7$916 CAD
Retailer 8$928 CAD
Retailer 4$1,087 CAD
Retailer 6$1,688 CAD
NZ Jewellers$2,294 CAD

10 data points across 9 retailers

10 retailers$509 CAD to $2,294 CAD

A
Cheapest Retailer
-
$509 CAD
Final sale: no returns
A
Retailer 2
-
$540 CAD
View
A
Retailer 3
-
$734 CAD
View
A
Retailer 4
-
$868 CAD
View
B+
Retailer 5
-
$907 CAD
View
B+
Retailer 6
-
$916 CAD
View
B+
Retailer 7
-
$928 CAD
View
B+
Retailer 8
-
$1,087 CAD
View
B
Retailer 9
-
$1,688 CAD
View
Most Expensive
B
NZ Jewellers
0db0b06e-da52-41e3-9fdf-3d1329776e91 · Nov 5
$2,294 CAD
$1,631 USD
View
9 more retailers have this diamond
Prices start from $509 CADSave up to $1,785 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 Oval
$509 CAD