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Cushion|Natural|GIA

0.31ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 5556389494

Certificate GIA 5556389494

Diamond specifications and retailer prices

From $657 CAD
$470 USD
As of October 29, 2026
Save $729 CAD (53%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,386 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.31ct natural cushion diamond

This 0.31ct natural cushion sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556389494. Listed at 11 retailers as of October 29, 2026, with prices from $657 to $1,386, a $729 spread on the same certified stone. MOH London lists it at $1,386. 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

0.31
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556389494
Dimensions3.93 × 3.92 × 2.68 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Etch Channel, Crystal, Twinning Wisp, Feather
Top View
3.93 mm3.92 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5556389494
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,386 CAD|Low: $622 CAD|High: $1,393 CAD|Avg: $893 CAD|+16.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 9$622 CAD
Retailer 3$657 CAD
Retailer 8$700 CAD
Retailer 4$733 CAD
Retailer 11$793 CAD
Retailer 7$836 CAD
Retailer 10$858 CAD
Retailer 2$928 CAD
Retailer 5$946 CAD
Retailer 6$1,211 CAD
MOH London$1,386 CAD

29 data points across 11 retailers

11 retailers$657 CAD to $1,386 CAD

Retailer 1
-
$622 CAD
$445 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$657 CAD
$470 USD
View
A
Retailer 3
-
$700 CAD
$501 USD
View
B+
Retailer 4
-
$733 CAD
£413 GBP
View
B+
Retailer 5
-
$793 CAD
$568 USD
View
B+
Retailer 6
-
$836 CAD
£471 GBP
View
B+
Retailer 7
-
$858 CAD
$614 USD
View
B+
Retailer 8
-
$928 CAD
€633 EUR
View
B+
Retailer 9
-
$946 CAD
ZAR 10,940 ZAR
View
B
Retailer 10
-
$1,211 CAD
£682 GBP
View
Most Expensive
B
MOH London
0AB137A9B · Oct 29
$1,386 CAD
£781 GBP
View
10 more retailers have this diamond
Prices start from $657 CADSave up to $729 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.

A
0.31ct Cushion
$657 CAD