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Round|Natural|GIA

1.64ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 7243915716

Certificate GIA 7243915716

Diamond specifications and retailer prices

From $4,751 CAD
As of November 4, 2026
Save $990 CAD (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,741 CAD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.64ct natural round diamond

This 1.64ct 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 7243915716. Listed at 2 retailers as of November 4, 2026, with prices from $4,751 to $5,741, a $990 spread on the same certified stone. Yorxs lists it at $5,741. 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

1.64
Carat
M
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7243915716
Dimensions7.60 × 7.61 × 4.62 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Top View
7.60 mm7.61 mm1.64 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7243915716
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: $4,751 CAD|Low: $4,751 CAD|High: $5,773 CAD|Avg: $5,233 CAD
Retailer 1
Yorxs
November 6, 2026
Retailer 1$4,751 CAD
Yorxs$5,741 CAD

14 data points across 2 retailers

2 retailers$4,751 CAD to $5,741 CAD

B+
Cheapest Retailer
-
$4,751 CAD
Most Expensive
B
Yorxs
P6702 · Nov 6
$5,741 CAD
€3,915 EUR
View
1 more retailer has this diamond
Prices start from $4,751 CADSave up to $990 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.

B+
1.64ct Round
$4,751 CAD