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0.55ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1557129599

Certificate GIA 1557129599

Diamond specifications and retailer prices

From $768 CAD
As of November 5, 2026
Save $650 CAD (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,418 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 1557129599. Listed at 11 retailers as of November 5, 2026, with prices from $768 to $1,418, a $650 spread on the same certified stone. Frank Darling lists it at $1,418. 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 angle32°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1557129599
Dimensions5.33 × 3.19 × 3.19 mm
L/W Ratio1.67
Culet sizeNone
Top View
5.33 mm3.19 mm0.55 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1557129599
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 59.7%

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 5
Current: $1,418 CAD|Low: $768 CAD|High: $1,434 CAD|Avg: $1,078 CAD|-1.1%
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$768 CAD
Retailer 10$825 CAD
Retailer 4$890 CAD
Retailer 3$955 CAD
Retailer 7$1,071 CAD
Retailer 5$1,149 CAD
Retailer 6$1,152 CAD
Retailer 2$1,209 CAD
Retailer 8$1,226 CAD
Frank Darling$1,418 CAD

41 data points across 10 retailers

11 retailers$768 CAD to $1,418 CAD

A
Cheapest Retailer
-
$768 CAD
A
Retailer 2
-
$825 CAD
View
A
Retailer 3
-
$890 CAD
View
A
Retailer 4
-
$955 CAD
View
B+
Retailer 5
-
$982 CAD
View
B+
Retailer 6
-
$1,071 CAD
View
B+
Retailer 7
-
$1,149 CAD
View
B+
Retailer 8
-
$1,152 CAD
View
B+
Retailer 9
-
$1,209 CAD
View
B+
Retailer 10
-
$1,226 CAD
View
Most Expensive
B+
Frank Darling
2628440HK · Nov 6
$1,418 CAD
$1,015 USD
View
10 more retailers have this diamond
Prices start from $768 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
$768 CAD