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Round|Natural|GIA

0.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6555724521

Certificate GIA 6555724521

Diamond specifications and retailer prices

From $649 CAD
As of November 4, 2026
Save $2,275 CAD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,924 CAD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555724521. Listed at 21 retailers as of November 4, 2026, with prices from $649 to $2,924, a $2,275 spread on the same certified stone. NZ Jewellers lists it at $2,924. 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

0.50
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555724521
Dimensions5.06 × 5.10 × 3.14 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.06 mm5.10 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555724521
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.8%

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: $1,133 CAD|Low: $591 CAD|High: $2,179 CAD|Avg: $1,226 CAD|+5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$649 CAD
Retailer 8$880 CAD
Retailer 5$1,110 CAD
Retailer 1$1,133 CAD
Retailer 2$1,239 CAD
Retailer 7$1,401 CAD
Retailer 3$1,438 CAD
Retailer 4$2,152 CAD

43 data points across 8 retailers

21 retailers$649 CAD to $2,924 CAD

A
Cheapest Retailer
-
$649 CAD
Final sale: no returns
A
Retailer 2
-
$845 CAD
View
Retailer 3
-
$866 CAD
View
Price last confirmed 43 days ago
A
Retailer 4
-
$871 CAD
View
A
Retailer 5
-
$880 CAD
View
Retailer 6
-
$909 CAD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$909 CAD
View
B+
Retailer 8
-
$975 CAD
View
B+
Retailer 9
-
$1,000 CAD
View
B+
Retailer 10
-
$1,032 CAD
View
B
Retailer 11
-
$1,110 CAD
View
B+
Retailer 12
-
$1,114 CAD
View
B+
Retailer 13
-
$1,133 CAD
View
B+
Retailer 14
-
$1,180 CAD
View
B+
Retailer 15
-
$1,239 CAD
View
B+
Retailer 16
-
$1,297 CAD
View
Retailer 17
-
$1,401 CAD
View
Price last confirmed 33 days ago
B
Retailer 18
-
$1,438 CAD
View
B
Retailer 19
-
$2,152 CAD
View
B
Retailer 20
-
$2,676 CAD
View
Most Expensive
B
NZ Jewellers
90ad359f-4180-4cf8-a382-056f606b9d32 · Nov 4
$2,924 CAD
$2,094 USD
View
20 more retailers have this diamond
Prices start from $649 CADSave up to $2,275 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
0.50ct Round
$649 CAD