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1.28ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 7438685530

Certificate GIA 7438685530

Diamond specifications and retailer prices

From $4,767 AUD
€3,178 EUR
As of November 4, 2026
1 retailer carries this diamond
Only listing: $4,767 AUD at Yorxs
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 Yorxs

About this 1.28ct natural round diamond

This 1.28ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7438685530. Listed at a single retailer as of November 4, 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

1.28
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7438685530
Dimensions6.97 × 6.99 × 4.31 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.97 mm6.99 mm1.28 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7438685530
Side View
Table 55.0%Crown 34°Girdle: NUL-NULPavilion 40.6°CuletDepth 61.7%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 4
Current: $4,767 AUD|Low: $4,675 AUD|High: $4,822 AUD|Avg: $4,761 AUD|+2.0%
November 4, 2026
Yorxs$4,767 AUD

22 data points across 1 retailer

1 retailer

C
Yorxs
16072 · Nov 4
$4,767 AUD
€3,178 EUR
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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.

C
1.28ct Round
$4,767 AUD