CaratHunter
Plans
Cushion|Natural|IGI

0.40ct J SI1 Cushion Natural Diamond

VG • J/SI1 • IGI 741597186

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI 741597186

Diamond specifications and retailer prices

From $421 AUD
₹28,100 INR
As of November 2, 2026
Save $942 AUD (69%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,363 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.4ct natural cushion diamond

This 0.4ct natural cushion sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 741597186. Listed at 6 retailers as of October 29, 2026, with prices from $421 to $1,363, a $942 spread on the same certified stone. MOH London lists it at $1,363. 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

0.40
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.7°
Pavilion angle37.6°
OriginNatural
Grading LabIGI
CertificateIGI 741597186
Dimensions4.03 × 3.96 × 2.98 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
4.03 mm3.96 mm0.40 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 741597186
Side View
Table 63.0%Crown 37.7°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 75.3%

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 2
Current: $1,363 AUD|Low: $420 AUD|High: $1,392 AUD|Avg: $849 AUD|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2$421 AUD
Retailer 4$755 AUD
Retailer 6$774 AUD
Retailer 5$910 AUD
Retailer 3$945 AUD
MOH London$1,363 AUD

40 data points across 6 retailers

6 retailers$421 AUD to $1,363 AUD

A
Cheapest Retailer
-
$421 AUD
₹28,100 INR
B
Retailer 2
-
$755 AUD
£416 GBP
View
B
Retailer 3
-
$774 AUD
$542 USD
View
B
Retailer 4
-
$910 AUD
ZAR 10,308 ZAR
View
B
Retailer 5
-
$945 AUD
€631 EUR
View
Most Expensive
C
MOH London
811906C0F · Oct 29
$1,363 AUD
£752 GBP
View
5 more retailers have this diamond
Prices start from $421 AUDSave up to $942 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
0.40ct Cushion
$421 AUD