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Round|Natural|GIA

1.55ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6551332767

Certificate GIA 6551332767

Diamond specifications and retailer prices

From $2,216 CAD
As of November 4, 2026
Save $3,958 CAD (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,174 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551332767. Listed at 8 retailers as of November 4, 2026, with prices from $2,216 to $6,174, a $3,958 spread on the same certified stone. NZ Jewellers lists it at $6,174. 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

1.55
Carat
M
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6551332767
Dimensions7.36 × 7.42 × 4.62 mm
L/W Ratio1.01
Key to symbols
Crystal, Needle, Indented Natural
Top View
7.36 mm7.42 mm1.55 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6551332767
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 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 4
Current: $6,174 CAD|Low: $2,198 CAD|High: $6,486 CAD|Avg: $3,489 CAD|-4.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4$2,216 CAD
Retailer 6$2,694 CAD
Retailer 7$2,954 CAD
Retailer 5$3,089 CAD
Retailer 9$3,102 CAD
Retailer 2$3,216 CAD
Retailer 8$3,408 CAD
Retailer 3$4,007 CAD
NZ Jewellers$6,174 CAD

42 data points across 9 retailers

8 retailers$2,216 CAD to $6,174 CAD

A
Cheapest Retailer
-
$2,216 CAD
B+
Retailer 2
-
$2,694 CAD
View
B+
Retailer 3
-
$2,954 CAD
View
B+
Retailer 4
-
$3,089 CAD
View
B+
Retailer 5
-
$3,216 CAD
View
B+
Retailer 6
-
$3,408 CAD
View
B+
Retailer 7
-
$4,007 CAD
View
Most Expensive
B
NZ Jewellers
76b289ab-a5c6-4a5f-a7d7-07e20680fbd6 · Nov 5
$6,174 CAD
$4,421 USD
View
7 more retailers have this diamond
Prices start from $2,216 CADSave up to $3,958 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
1.55ct Round
$2,216 CAD