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Cushion|Natural|GIA

1.31ct D SI1 Cushion Natural Diamond

D/SI1 • GIA 2558840539

Certificate GIA 2558840539

Diamond specifications and retailer prices

From $5,355 USD
A$8,238 AUD
As of November 6, 2026
4 retailers carry this diamond
Most expensive: $5,355 USD at GemTrove
View at GemTrove

About this 1.31ct natural cushion diamond

This 1.31ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by GIA 2558840539. Listed at 4 retailers as of November 6, 2026. 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
D
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558840539
Dimensions7.69 × 5.60 × 3.73 mm
L/W Ratio1.37
Top View
7.69 mm5.60 mm1.31 ctD / SI1
OriginNatural
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558840539
Side View
Table 64.0%CrownGirdle: STK-XTKPavilionCulet: NoneDepth 66.5%

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: $5,355 USD|Low: $4,032 USD|High: $5,442 USD|Avg: $4,667 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 14, 2026
Retailer 2$4,032 USD
Retailer 5$4,111 USD
Retailer 3$4,137 USD
Retailer 4$5,175 USD
GemTrove$5,355 USD

21 data points across 5 retailers

4 retailers

Retailer 1
-
$4,032 USD
Price last confirmed 23 days ago
Retailer 2
-
$4,137 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$5,175 USD
View
Price last confirmed 23 days ago
Most Expensive
B
GemTrove
GT-N-01246089-98 · Nov 6
$5,355 USD
A$8,238 AUD
View
3 more retailers have this diamond

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 Cushion
$5,355 USD