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Cushion|Natural|IGI

0.31ct D SI2 Cushion Natural Diamond

VG • D/SI2 • IGI 734511586

Shape and cutting style on the report: Cushion brilliant

Certificate IGI 734511586

Diamond specifications and retailer prices

From £164 GBP
$220 USD
As of October 25, 2026
Save £192 GBP (54%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £356 GBP 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 734511586. Listed at 7 retailers as of October 25, 2026, with prices from £164 to £356, a £192 spread on the same certified stone. MOH London lists it at £356. 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

0.31
Carat
D
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.5°
Pavilion angle38.7°
OriginNatural
Grading LabIGI
CertificateIGI 734511586
Dimensions4.27 × 3.53 × 2.63 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizePointed
Top View
4.27 mm3.53 mm0.31 ctD / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 734511586
Side View
Table 70.0%Crown 39.5°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 74.5%

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 25
Current: £356 GBP|Low: £164 GBP|High: £392 GBP|Avg: £258 GBP|-8.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 8£164 GBP
Retailer 7£166 GBP
Retailer 9£172 GBP
Retailer 5£211 GBP
Retailer 6£214 GBP
Retailer 3£251 GBP
Retailer 4£312 GBP
Retailer 2£315 GBP
MOH London£356 GBP

43 data points across 9 retailers

7 retailers£164 GBP to £356 GBP

A
Cheapest Retailer
-
£164 GBP
$220 USD
A
Retailer 2
-
£166 GBP
$222 USD
View
A
Retailer 3
-
£211 GBP
View
A
Retailer 4
-
£251 GBP
$336 USD
View
B+
Retailer 5
-
£312 GBP
View
B+
Retailer 6
-
£315 GBP
€402 EUR
View
Most Expensive
B+
MOH London
73EC9F681 · Oct 29
£356 GBP
View
6 more retailers have this diamond
Prices start from £164 GBPSave up to £192 GBP

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
£164 GBP