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Round|Natural|GIA

0.55ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1553112517

Certificate GIA 1553112517

Diamond specifications and retailer prices

From $740 CAD
As of November 5, 2026
Save $650 CAD (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,390 CAD at Frank Darling · As of November 6, 2026
View at Frank Darling

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 1553112517. Listed at 11 retailers as of November 5, 2026, with prices from $740 to $1,390, a $650 spread on the same certified stone. Frank Darling lists it at $1,390. 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°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1553112517
Dimensions5.24 × 3.25 × 3.25 mm
L/W Ratio1.61
Culet sizeNone
Top View
5.24 mm3.25 mm0.55 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553112517
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
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: $1,390 CAD|Low: $740 CAD|High: $1,438 CAD|Avg: $1,048 CAD|-3.3%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$740 CAD
Retailer 10$795 CAD
Retailer 4$813 CAD
Retailer 3$922 CAD
Retailer 8$1,033 CAD
Retailer 5$1,110 CAD
Retailer 6$1,126 CAD
Retailer 2$1,168 CAD
Retailer 7$1,186 CAD
Frank Darling$1,390 CAD

34 data points across 10 retailers

11 retailers$740 CAD to $1,390 CAD

A
Cheapest Retailer
-
$740 CAD
A
Retailer 2
-
$795 CAD
View
A
Retailer 3
-
$813 CAD
View
A
Retailer 4
-
$922 CAD
View
B+
Retailer 5
-
$987 CAD
View
B+
Retailer 6
-
$1,033 CAD
View
B+
Retailer 7
-
$1,110 CAD
View
B+
Retailer 8
-
$1,126 CAD
View
B+
Retailer 9
-
$1,168 CAD
View
B+
Retailer 10
-
$1,186 CAD
View
Most Expensive
B+
Frank Darling
2627231HK · Nov 6
$1,390 CAD
$995 USD
View
10 more retailers have this diamond
Prices start from $740 CADSave up to $650 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
$740 CAD