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Cushion|Natural|IGI

0.31ct J SI1 Cushion Natural Diamond

VG • J/SI1 • IGI 749531645

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

Certificate IGI 749531645

Diamond specifications and retailer prices

From $190 USD
₹18,132 INR
As of November 2, 2026
Save $437 USD (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $627 USD 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 749531645. Listed at 6 retailers as of November 2, 2026, with prices from $190 to $627, a $437 spread on the same certified stone. MOH London lists it at $627. 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
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.8°
Pavilion angle38.5°
OriginNatural
Grading LabIGI
CertificateIGI 749531645
Dimensions3.82 × 3.69 × 2.68 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Top View
3.82 mm3.69 mm0.31 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 749531645
Side View
Table 59.0%Crown 36.8°Girdle: THK-VTKPavilion 38.5°Culet: NoneDepth 72.6%

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: Nov 2
Current: $627 USD|Low: $190 USD|High: $644 USD|Avg: $420 USD|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2$190 USD
Retailer 3$357 USD
Retailer 6$402 USD
Retailer 4$421 USD
Retailer 5$525 USD
MOH London$627 USD

41 data points across 6 retailers

6 retailers$190 USD to $627 USD

A
Cheapest Retailer
-
$190 USD
₹18,132 INR
B+
Retailer 2
-
$357 USD
£281 GBP
View
B
Retailer 3
-
$402 USD
View
B
Retailer 4
-
$421 USD
ZAR 6,809 ZAR
View
B
Retailer 5
-
$525 USD
€500 EUR
View
Most Expensive
C
MOH London
5030AD67E · Nov 2
$627 USD
£494 GBP
View
5 more retailers have this diamond
Prices start from $190 USDSave up to $437 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.

A
0.31ct Cushion
$190 USD