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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 $313 AUD
$220 USD
As of November 1, 2026
Save $367 AUD (54%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $680 AUD 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 29, 2026, with prices from $313 to $680, a $367 spread on the same certified stone. MOH London lists it at $680. 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: Nov 1
Current: $680 AUD|Low: $313 AUD|High: $749 AUD|Avg: $493 AUD|-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$313 AUD
Retailer 7$316 AUD
Retailer 9$329 AUD
Retailer 5$402 AUD
Retailer 6$409 AUD
Retailer 3$478 AUD
Retailer 4$595 AUD
Retailer 2$601 AUD
MOH London$680 AUD

43 data points across 9 retailers

7 retailers$313 AUD to $680 AUD

A
Cheapest Retailer
-
$313 AUD
$220 USD
A
Retailer 2
-
$316 AUD
$222 USD
View
A
Retailer 3
-
$402 AUD
£222 GBP
View
A
Retailer 4
-
$478 AUD
$336 USD
View
B+
Retailer 5
-
$595 AUD
£329 GBP
View
B+
Retailer 6
-
$601 AUD
€402 EUR
View
Most Expensive
B+
MOH London
73EC9F681 · Oct 29
$680 AUD
£376 GBP
View
6 more retailers have this diamond
Prices start from $313 AUDSave up to $367 AUD

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
$313 AUD