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Round|Natural|GIA

0.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2567223287

Certificate GIA 2567223287

Diamond specifications and retailer prices

From $529 CAD
As of November 6, 2026
Save $1,746 CAD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,275 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2567223287. Listed at 16 retailers as of November 4, 2026, with prices from $529 to $2,275, a $1,746 spread on the same certified stone. NZ Jewellers lists it at $2,275. 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
FluorescenceMedium
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2567223287
Dimensions5.11 × 5.13 × 3.13 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
5.11 mm5.13 mm0.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2567223287
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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: $2,275 CAD|Low: $529 CAD|High: $2,352 CAD|Avg: $972 CAD|-3.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 2$529 CAD
Retailer 15$608 CAD
Retailer 5$669 CAD
Retailer 6$725 CAD
Retailer 9$754 CAD
Retailer 7$768 CAD
Retailer 14$781 CAD
Retailer 4$837 CAD
Retailer 10$837 CAD
Retailer 13$895 CAD
Retailer 11$913 CAD
Retailer 8$933 CAD
Retailer 12$973 CAD
Retailer 3$1,672 CAD
NZ Jewellers$2,275 CAD

32 data points across 15 retailers

16 retailers$529 CAD to $2,275 CAD

A
Cheapest Retailer
-
$529 CAD
A
Retailer 2
-
$608 CAD
View
A
Retailer 3
-
$669 CAD
View
Final sale: no returns
A
Retailer 4
-
$725 CAD
View
A
Retailer 5
-
$754 CAD
View
A
Retailer 6
-
$768 CAD
View
A
Retailer 7
-
$781 CAD
View
A
Retailer 8
-
$837 CAD
View
A
Retailer 9
-
$837 CAD
View
A
Retailer 10
-
$895 CAD
View
A
Retailer 11
-
$913 CAD
View
A
Retailer 12
-
$933 CAD
View
B+
Retailer 13
-
$945 CAD
View
B+
Retailer 14
-
$973 CAD
View
B
Retailer 15
-
$1,672 CAD
View
Most Expensive
B
NZ Jewellers
cb82a508-45f8-47d3-b045-88e028bda487 · Nov 4
$2,275 CAD
$1,629 USD
View
15 more retailers have this diamond
Prices start from $529 CADSave up to $1,746 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
$529 CAD