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Round|Natural|GIA

1.51ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6561676300

Certificate GIA 6561676300

Diamond specifications and retailer prices

From $3,128 CAD
As of November 6, 2026
Save $5,652 CAD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,780 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561676300. Listed at 13 retailers as of November 5, 2026, with prices from $3,128 to $8,780, a $5,652 spread on the same certified stone. NZ Jewellers lists it at $8,780. 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

1.51
Carat
M
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6561676300
Dimensions7.24 × 7.30 × 4.62 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Twinning Wisp, Feather, Needle, Natural
Top View
7.24 mm7.30 mm1.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561676300
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.5%

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: $8,780 CAD|Low: $3,128 CAD|High: $8,780 CAD|Avg: $4,695 CAD|+15.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 11$3,128 CAD
Retailer 9$3,761 CAD
Retailer 4$3,778 CAD
Retailer 5$4,033 CAD
Retailer 8$4,200 CAD
Retailer 10$4,362 CAD
Retailer 3$4,384 CAD
Retailer 6$4,398 CAD
Retailer 13$4,704 CAD
Retailer 12$4,846 CAD
Retailer 7$4,877 CAD
Retailer 2$5,543 CAD
NZ Jewellers$8,780 CAD

12 data points across 13 retailers

13 retailers$3,128 CAD to $8,780 CAD

A
Cheapest Retailer
-
$3,128 CAD
B+
Retailer 2
-
$3,761 CAD
View
B+
Retailer 3
-
$3,778 CAD
View
B+
Retailer 4
-
$4,033 CAD
View
B+
Retailer 5
-
$4,200 CAD
View
B+
Retailer 6
-
$4,362 CAD
View
Retailer 7
-
$4,384 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$4,398 CAD
View
B+
Retailer 9
-
$4,704 CAD
View
B+
Retailer 10
-
$4,846 CAD
View
B+
Retailer 11
-
$4,877 CAD
View
B
Retailer 12
-
$5,543 CAD
View
Most Expensive
C
NZ Jewellers
16af0689-024b-484a-978b-e88b7ce78d30 · Nov 5
$8,780 CAD
$6,287 USD
View
12 more retailers have this diamond
Prices start from $3,128 CADSave up to $5,652 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
1.51ct Round
$3,128 CAD