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1.64ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 7243915716

Certificate GIA 7243915716

Diamond specifications and retailer prices

From €3,031 EUR
As of November 6, 2026
Save €631 EUR (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €3,662 EUR 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 6, 2026, with prices from €3,031 to €3,662, a €631 spread on the same certified stone. Yorxs lists it at €3,662. 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
Colour
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 6
Current: €3,031 EUR|Low: €3,031 EUR|High: €3,683 EUR|Avg: €3,338 EUR
Retailer 1
Yorxs
November 6, 2026
Retailer 1€3,031 EUR
Yorxs€3,662 EUR

14 data points across 2 retailers

2 retailers€3,031 EUR to €3,662 EUR

B+
Cheapest Retailer
-
€3,031 EUR
Most Expensive
B
Yorxs
P6702 · Nov 6
€3,662 EUR
View
1 more retailer has this diamond
Prices start from €3,031 EURSave up to €631 EUR

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
€3,031 EUR