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1.64ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1508682938

Certificate GIA 1508682938

Diamond specifications and retailer prices

From $17,222 CAD
£9,708 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $17,222 CAD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.64ct natural round diamond

This 1.64ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1508682938. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1508682938
Dimensions7.51 × 7.54 × 4.73 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Clarity grade is based on clouds that are not shown.
Key to symbols
Needle, Pinpoint, Indented Natural
Top View
7.51 mm7.54 mm1.64 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1508682938
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°CuletDepth 62.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $17,222 CAD|Low: $17,222 CAD|High: $17,222 CAD|Avg: $17,222 CAD
September 26, 2026
Diamond Quarter$17,222 CAD

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
1.64SI2D15386741N · Oct 29
$17,222 CAD
£9,708 GBP
View

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
$17,222 CAD