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Cushion|Natural|IGI

0.40ct J SI1 Cushion Natural Diamond

VG • J/SI1 • IGI 741597200

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

Certificate IGI 741597200

Diamond specifications and retailer prices

From $539 USD
£424 GBP
As of November 1, 2026
Save $429 USD (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $968 USD at MOH London · As of November 1, 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 741597200. Listed at 6 retailers as of November 1, 2026, with prices from $539 to $968, a $429 spread on the same certified stone. MOH London lists it at $968. 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
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle40°
Pavilion angle37.4°
OriginNatural
Grading LabIGI
CertificateIGI 741597200
Dimensions4.22 × 4.18 × 2.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
4.22 mm4.18 mm0.40 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 741597200
Side View
Table 66.0%Crown 40°Girdle: THK-VTKPavilion 37.4°Culet: NoneDepth 66.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $968 USD|Low: $502 USD|High: $993 USD|Avg: $669 USD|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 2$539 USD
Retailer 5$550 USD
Retailer 6$584 USD
Retailer 3$639 USD
Retailer 4$649 USD
Retailer 7$745 USD
MOH London$968 USD

40 data points across 7 retailers

6 retailers$539 USD to $968 USD

B
Cheapest Retailer
-
$539 USD
£424 GBP
B
Retailer 2
-
$550 USD
View
B
Retailer 3
-
$584 USD
View
B
Retailer 4
-
$639 USD
€609 EUR
View
B
Retailer 5
-
$649 USD
ZAR 10,490 ZAR
View
Most Expensive
C
MOH London
1E2775491 · Nov 1
$968 USD
£762 GBP
View
5 more retailers have this diamond
Prices start from $539 USDSave up to $429 USD

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.

B
0.40ct Cushion
$539 USD