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Round|Natural|GIA

0.55ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6421533302

Certificate GIA 6421533302

Diamond specifications and retailer prices

From $747 CAD
As of November 6, 2026
Save $1,796 CAD (71%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,181 CAD at NZ Jewellers · As of September 15, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct 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 6421533302. Listed at 17 retailers as of November 6, 2026, with a 240% 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

0.55
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6421533302
Dimensions5.22 × 5.18 × 3.26 mm
L/W Ratio1.01
Top View
5.22 mm5.18 mm0.55 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6421533302
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°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: $747 CAD|Low: $645 CAD|High: $1,880 CAD|Avg: $1,177 CAD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$747 CAD
Retailer 7$936 CAD
Retailer 5$999 CAD
Retailer 3$1,198 CAD
Retailer 4$1,232 CAD
Retailer 2$1,311 CAD
Retailer 6$1,857 CAD

43 data points across 7 retailers

17 retailers$747 CAD to $2,543 CAD

A
Cheapest Retailer
-
$747 CAD
A
Retailer 2
-
$905 CAD
View
A
Retailer 3
-
$936 CAD
View
Final sale: no returns
A
Retailer 4
-
$955 CAD
View
B+
Retailer 5
-
$999 CAD
View
Retailer 6
-
$1,015 CAD
View
Price last confirmed 53 days ago
Retailer 7
-
$1,015 CAD
View
Price last confirmed 21 days ago
Retailer 8
-
$1,053 CAD
View
Price last confirmed 22 days ago
B+
Retailer 9
-
$1,144 CAD
View
Retailer 10
-
$1,170 CAD
View
Price last confirmed 53 days ago
B+
Retailer 11
-
$1,198 CAD
View
B+
Retailer 12
-
$1,198 CAD
View
B+
Retailer 13
-
$1,232 CAD
View
B+
Retailer 14
-
$1,311 CAD
View
B
Retailer 15
-
$1,857 CAD
View
B
Retailer 16
-
$2,543 CAD
View
Most Expensive
NZ Jewellers
44670bad-dd18-4c05-89e9-2ef39dd2ad25 · Sep 15
$3,181 CAD
$2,278 USD
View
Price last confirmed 52 days ago
16 more retailers have this diamond
Prices start from $747 CADSave up to $1,796 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
0.55ct Round
$747 CAD