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Round|Natural|GIA

0.55ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2566238867

Certificate GIA 2566238867

Diamond specifications and retailer prices

From $813 CAD
As of November 5, 2026
Save $1,175 CAD (59%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,988 CAD at MOH London · As of November 4, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566238867. Listed at 14 retailers as of November 4, 2026, with prices from $813 to $1,988, a $1,175 spread on the same certified stone. MOH London lists it at $1,988. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566238867
Dimensions5.22 × 5.25 × 3.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
5.22 mm5.25 mm0.55 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566238867
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.9%

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: $1,988 CAD|Low: $804 CAD|High: $2,001 CAD|Avg: $1,231 CAD|-0.6%
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
November 6, 2026
Retailer 10$813 CAD
Retailer 13$821 CAD
Retailer 4$1,003 CAD
Retailer 5$1,008 CAD
Retailer 14$1,029 CAD
Retailer 11$1,094 CAD
Retailer 7$1,138 CAD
Retailer 8$1,299 CAD
Retailer 9$1,311 CAD
Retailer 2$1,398 CAD
Retailer 6$1,433 CAD
Retailer 3$1,483 CAD
Retailer 12$1,538 CAD
MOH London$1,988 CAD

23 data points across 14 retailers

14 retailers$813 CAD to $1,988 CAD

A
Cheapest Retailer
-
$813 CAD
A
Retailer 2
-
$821 CAD
View
A
Retailer 3
-
$1,003 CAD
View
Final sale: no returns
Retailer 4
-
$1,008 CAD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,022 CAD
View
Retailer 6
-
$1,029 CAD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$1,094 CAD
View
A
Retailer 8
-
$1,138 CAD
View
B+
Retailer 9
-
$1,299 CAD
View
B+
Retailer 10
-
$1,311 CAD
View
B+
Retailer 11
-
$1,398 CAD
View
B+
Retailer 12
-
$1,483 CAD
View
B+
Retailer 13
-
$1,538 CAD
View
Most Expensive
B
MOH London
864694A57 · Nov 4
$1,988 CAD
£1,121 GBP
View
13 more retailers have this diamond
Prices start from $813 CADSave up to $1,175 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
$813 CAD