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Round|Natural|GIA

0.51ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 6525636856

Certificate GIA 6525636856

Diamond specifications and retailer prices

From $311 CAD
As of November 6, 2026
Save $1,589 CAD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,901 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6525636856. Listed at 13 retailers as of November 4, 2026, with prices from $311 to $1,901, a $1,589 spread on the same certified stone. NZ Jewellers lists it at $1,901. 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
L
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6525636856
Dimensions5.12 × 5.08 × 3.20 mm
L/W Ratio1.01
Key to symbols
Crystal
Top View
5.12 mm5.08 mm0.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6525636856
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.7%

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: $1,901 CAD|Low: $311 CAD|High: $1,913 CAD|Avg: $646 CAD|+13.7%
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
November 6, 2026
Retailer 2$311 CAD
Retailer 5$374 CAD
Retailer 11$419 CAD
Retailer 4$468 CAD
Retailer 13$471 CAD
Retailer 8$528 CAD
Retailer 12$552 CAD
Retailer 10$564 CAD
Retailer 7$601 CAD
Retailer 3$709 CAD
Retailer 9$719 CAD
Retailer 6$830 CAD
NZ Jewellers$1,901 CAD

19 data points across 13 retailers

13 retailers$311 CAD to $1,901 CAD

A
Cheapest Retailer
-
$311 CAD
A
Retailer 2
-
$374 CAD
View
A
Retailer 3
-
$419 CAD
View
Retailer 4
-
$468 CAD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$471 CAD
View
A
Retailer 6
-
$528 CAD
View
A
Retailer 7
-
$552 CAD
View
A
Retailer 8
-
$564 CAD
View
B+
Retailer 9
-
$601 CAD
View
B+
Retailer 10
-
$709 CAD
View
B+
Retailer 11
-
$719 CAD
View
B+
Retailer 12
-
$830 CAD
View
Most Expensive
C
NZ Jewellers
3b2466e1-a7bf-4887-844f-bb91cdcbcbbe · Nov 4
$1,901 CAD
$1,361 USD
View
12 more retailers have this diamond
Prices start from $311 CADSave up to $1,589 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
$311 CAD