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Cushion|Natural|HRD

0.31ct F SI1 Cushion Natural Diamond

EX • F/SI1 • HRD 260000187992

Certificate HRD 260000187992

Diamond specifications and retailer prices

From $426 CAD
$305 USD
As of October 29, 2026
Save $488 CAD (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $914 CAD at MOH London · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000187992. Listed at 6 retailers as of October 29, 2026, with prices from $426 to $914, a $488 spread on the same certified stone. MOH London lists it at $914. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000187992
Dimensions4.49 × 3.44 × 2.40 mm
L/W Ratio1.31
Top View
4.49 mm3.44 mm0.31 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000187992
Side View
Table 63.0%CrownGirdle: FAC-FACPavilionCuletDepth 69.6%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $914 CAD|Low: $426 CAD|High: $925 CAD|Avg: $616 CAD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5$426 CAD
Retailer 3$515 CAD
Retailer 4$542 CAD
Retailer 6$578 CAD
Retailer 2$679 CAD
MOH London$914 CAD

42 data points across 6 retailers

6 retailers$426 CAD to $914 CAD

A
Cheapest Retailer
-
$426 CAD
$305 USD
A
Retailer 2
-
$515 CAD
£290 GBP
View
A
Retailer 3
-
$542 CAD
£306 GBP
View
B+
Retailer 4
-
$578 CAD
$414 USD
View
B+
Retailer 5
-
$679 CAD
€463 EUR
View
Most Expensive
B
MOH London
FE4144D03 · Nov 2
$914 CAD
£515 GBP
View
5 more retailers have this diamond
Prices start from $426 CADSave up to $488 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
$426 CAD