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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 $390 SGD
$305 USD
As of October 29, 2026
Save $446 SGD (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $836 SGD 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 $390 to $836, a $446 spread on the same certified stone. MOH London lists it at $836. 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
Colour
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: $836 SGD|Low: $390 SGD|High: $846 SGD|Avg: $564 SGD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5$390 SGD
Retailer 3$471 SGD
Retailer 4$496 SGD
Retailer 6$529 SGD
Retailer 2$622 SGD
MOH London$836 SGD

42 data points across 6 retailers

6 retailers$390 SGD to $836 SGD

A
Cheapest Retailer
-
$390 SGD
$305 USD
A
Retailer 2
-
$471 SGD
£290 GBP
View
A
Retailer 3
-
$496 SGD
£306 GBP
View
B+
Retailer 4
-
$529 SGD
$414 USD
View
B+
Retailer 5
-
$622 SGD
€463 EUR
View
Most Expensive
B
MOH London
FE4144D03 · Nov 2
$836 SGD
£515 GBP
View
5 more retailers have this diamond
Prices start from $390 SGDSave up to $446 SGD

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
$390 SGD