Round|Natural|GIA

0.55ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6431478289

Certificate GIA 6431478289

Diamond specifications and retailer prices

From $696 CAD
As of November 5, 2026
Save $712 CAD (51%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,383 CAD at NZ Jewellers · As of September 19, 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 6431478289. Listed at 13 retailers as of November 2, 2026, with a 102% 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 angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6431478289
Dimensions5.26 × 5.23 × 3.26 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.26 mm5.23 mm0.55 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6431478289
Side View
Table 58.0%Crown 36.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,338 CAD|Low: $582 CAD|High: $2,383 CAD|Avg: $991 CAD|-1.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 6$610 CAD
Retailer 8$684 CAD
Retailer 2$696 CAD
Retailer 4$746 CAD
Retailer 7$871 CAD
Retailer 9$897 CAD
Retailer 3$919 CAD
Retailer 5$1,408 CAD
NZ Jewellers$2,338 CAD

40 data points across 9 retailers

13 retailers$696 CAD to $1,408 CAD

Retailer 1
-
$610 CAD
Price last confirmed 17 days ago
Retailer 2
-
$621 CAD
View
Price last confirmed 50 days ago
Retailer 3
-
$669 CAD
View
Price last confirmed 22 days ago
Retailer 4
-
$669 CAD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$696 CAD
View
Retailer 6
-
$718 CAD
View
Price last confirmed 45 days ago
A
Retailer 7
-
$746 CAD
View
A
Retailer 8
-
$871 CAD
View
A
Retailer 9
-
$897 CAD
View
A
Retailer 10
-
$919 CAD
View
B+
Retailer 11
-
$1,408 CAD
View
Retailer 12
-
$2,338 CAD
View
Price last confirmed 17 days ago
Most Expensive
NZ Jewellers
d81b8347-16aa-44c2-adee-9164ef3bf060 · Sep 19
$2,383 CAD
$1,706 USD
View
Price last confirmed 47 days ago
12 more retailers have this diamond
Prices start from $696 CADSave up to $712 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
$696 CAD