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Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1563468794

Certificate GIA 1563468794

Diamond specifications and retailer prices

From $589 CAD
As of November 6, 2026
Save $1,230 CAD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,820 CAD at MOH London · As of November 1, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1563468794. Listed at 16 retailers as of November 1, 2026, with prices from $589 to $1,820, a $1,230 spread on the same certified stone. MOH London lists it at $1,820. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
OriginNatural
Grading LabGIA
CertificateGIA 1563468794
Dimensions5.23 × 5.25 × 3.28 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Cloud
Top View
5.23 mm5.25 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1563468794
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilionCulet: NoneDepth 62.5%

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: $1,820 CAD|Low: $589 CAD|High: $1,850 CAD|Avg: $969 CAD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 2$589 CAD
Retailer 14$635 CAD
Retailer 8$679 CAD
Retailer 5$718 CAD
Retailer 4$785 CAD
Retailer 12$818 CAD
Retailer 6$837 CAD
Retailer 10$962 CAD
Retailer 16$962 CAD
Retailer 13$966 CAD
Retailer 9$1,001 CAD
Retailer 3$1,054 CAD
Retailer 11$1,075 CAD
Retailer 7$1,082 CAD
Retailer 15$1,201 CAD
MOH London$1,820 CAD

16 data points across 16 retailers

16 retailers$589 CAD to $1,820 CAD

A
Cheapest Retailer
-
$589 CAD
A
Retailer 2
-
$635 CAD
View
A
Retailer 3
-
$679 CAD
View
A
Retailer 4
-
$718 CAD
View
Final sale: no returns
A
Retailer 5
-
$785 CAD
View
A
Retailer 6
-
$818 CAD
View
A
Retailer 7
-
$837 CAD
View
A
Retailer 8
-
$962 CAD
View
A
Retailer 9
-
$962 CAD
View
A
Retailer 10
-
$966 CAD
View
A
Retailer 11
-
$1,001 CAD
View
B+
Retailer 12
-
$1,054 CAD
View
B+
Retailer 13
-
$1,075 CAD
View
B+
Retailer 14
-
$1,082 CAD
View
B+
Retailer 15
-
$1,201 CAD
View
Most Expensive
B
MOH London
A48B088C3 · Nov 1
$1,820 CAD
£1,026 GBP
View
15 more retailers have this diamond
Prices start from $589 CADSave up to $1,230 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
$589 CAD