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1.25ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6321757325

Certificate GIA 6321757325

Diamond specifications and retailer prices

From £3,338 GBP
€4,279 EUR
As of November 5, 2026
1 retailer carries this diamond
Only listing: £3,338 GBP 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 1.25ct natural round diamond

This 1.25ct 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 6321757325. Listed at a single retailer as of November 5, 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

1.25
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6321757325
Dimensions6.86 × 6.91 × 4.28 mm
L/W Ratio1.01
Top View
6.86 mm6.91 mm1.25 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6321757325
Side View
Table 56.0%CrownGirdlePavilionCuletDepth 62.2%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 5
Current: £3,338 GBP|Low: £3,266 GBP|High: £3,356 GBP|Avg: £3,328 GBP|+2.2%
November 5, 2026
Yorxs£3,338 GBP

18 data points across 1 retailer

1 retailer

C
Yorxs
G1336 · Nov 5
£3,338 GBP
€4,279 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
1.25ct Round
£3,338 GBP