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Cushion|Natural|GIA

1.31ct K SI1 Cushion Natural Diamond

VG • K/SI1 • GIA 1395417930

Certificate GIA 1395417930

Diamond specifications and retailer prices

From $3,673 CAD
As of November 4, 2026
Save $4,311 CAD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,983 CAD at MOH London · As of November 4, 2026
View at MOH London

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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1395417930. Listed at 15 retailers as of November 4, 2026, with prices from $3,673 to $7,983, a $4,311 spread on the same certified stone. MOH London lists it at $7,983. 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
K
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1395417930
Dimensions6.50 × 6.13 × 4.21 mm
L/W Ratio1.06
Culet sizeNone
Top View
6.50 mm6.13 mm1.31 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1395417930
Side View
Table 67.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $7,983 CAD|Low: $3,754 CAD|High: $8,101 CAD|Avg: $4,948 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$3,754 CAD
Retailer 5$3,777 CAD
Retailer 6$3,882 CAD
Retailer 9$4,337 CAD
Retailer 7$4,652 CAD
Retailer 8$4,670 CAD
Retailer 4$4,955 CAD
Retailer 2$5,254 CAD
Retailer 3$5,842 CAD
MOH London$7,983 CAD

44 data points across 10 retailers

15 retailers$3,673 CAD to $7,983 CAD

B+
Cheapest Retailer
-
$3,673 CAD
B+
Retailer 2
-
$3,754 CAD
View
B+
Retailer 3
-
$3,777 CAD
View
B+
Retailer 4
-
$3,834 CAD
View
B+
Retailer 5
-
$3,882 CAD
View
B
Retailer 6
-
$4,220 CAD
View
Retailer 7
-
$4,337 CAD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$4,652 CAD
View
B
Retailer 9
-
$4,670 CAD
View
B
Retailer 10
-
$4,709 CAD
View
B
Retailer 11
-
$4,955 CAD
View
B
Retailer 12
-
$5,254 CAD
View
Retailer 13
-
$5,424 CAD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$5,842 CAD
View
Most Expensive
C
MOH London
ABE43FA0F · Nov 4
$7,983 CAD
£4,469 GBP
View
14 more retailers have this diamond
Prices start from $3,673 CADSave up to $4,311 CAD

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
$3,673 CAD