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Round|Natural|GIA

1.31ct M SI2 Round Natural Diamond

GD • M/SI2 • GIA 2387346274

Certificate GIA 2387346274

Diamond specifications and retailer prices

From $3,438 AUD
As of November 4, 2026
Save $1,403 AUD (29%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,842 AUD at Yorxs · As of November 5, 2026
View at Yorxs

About this 1.31ct natural round diamond

This 1.31ct 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 standard cut grade and certified by GIA 2387346274. Listed at 2 retailers as of November 4, 2026, with prices from $3,438 to $4,842, a $1,403 spread on the same certified stone. Yorxs lists it at $4,842. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.31
Carat
M
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2387346274
Dimensions6.98 × 6.95 × 4.37 mm
L/W Ratio1.00
Top View
6.98 mm6.95 mm1.31 ctM / SI2
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 2387346274
Side View
Table 56.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: $3,438 AUD|Low: $2,610 AUD|High: $4,869 AUD|Avg: $3,625 AUD
Retailer 1
Retailer 2
Yorxs
November 5, 2026
Retailer 2$2,610 AUD
Retailer 1$3,438 AUD
Yorxs$4,842 AUD

18 data points across 3 retailers

2 retailers$3,438 AUD to $4,842 AUD

B
Cheapest Retailer
-
$3,438 AUD
Most Expensive
C
Yorxs
G32423 · Nov 5
$4,842 AUD
€3,228 EUR
View
1 more retailer has this diamond
Prices start from $3,438 AUDSave up to $1,403 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
1.31ct Round
$3,438 AUD