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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 $542 NZD
$305 USD
As of October 29, 2026
Save $620 NZD (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,162 NZD 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 $542 to $1,162, a $620 spread on the same certified stone. MOH London lists it at $1,162. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,162 NZD|Low: $542 NZD|High: $1,176 NZD|Avg: $783 NZD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 5$542 NZD
Retailer 2$655 NZD
Retailer 4$690 NZD
Retailer 6$735 NZD
Retailer 3$864 NZD
MOH London$1,162 NZD

43 data points across 6 retailers

6 retailers$542 NZD to $1,162 NZD

A
Cheapest Retailer
-
$542 NZD
$305 USD
A
Retailer 2
-
$655 NZD
£290 GBP
View
A
Retailer 3
-
$690 NZD
£306 GBP
View
B+
Retailer 4
-
$735 NZD
$414 USD
View
B+
Retailer 5
-
$864 NZD
€463 EUR
View
Most Expensive
B
MOH London
FE4144D03 · Nov 2
$1,162 NZD
£515 GBP
View
5 more retailers have this diamond
Prices start from $542 NZDSave up to $620 NZD

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
$542 NZD