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Round|Natural|GIA

1.25ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6372509100

Certificate GIA 6372509100

Diamond specifications and retailer prices

From $4,505 AUD
As of November 6, 2026
Save $1,910 AUD (30%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $6,415 AUD at Yorxs · As of November 5, 2026
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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6372509100. Listed at 2 retailers as of November 5, 2026, with prices from $4,505 to $6,415, a $1,910 spread on the same certified stone. Yorxs lists it at $6,415. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6372509100
Dimensions6.93 × 6.95 × 4.20 mm
L/W Ratio1.00
Top View
6.93 mm6.95 mm1.25 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6372509100
Side View
Table 61.0%CrownGirdlePavilionCuletDepth 60.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $4,505 AUD|Low: $4,505 AUD|High: $6,448 AUD|Avg: $5,451 AUD
Retailer 1
Yorxs
November 5, 2026
Retailer 1$4,505 AUD
Yorxs$6,415 AUD

9 data points across 2 retailers

2 retailers$4,505 AUD to $6,415 AUD

B
Cheapest Retailer
-
$4,505 AUD
Most Expensive
C
Yorxs
IDI2381 · Nov 5
$6,415 AUD
€4,277 EUR
View
1 more retailer has this diamond
Prices start from $4,505 AUDSave up to $1,910 AUD

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
1.25ct Round
$4,505 AUD