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Cushion|Natural|IGI

0.51ct J SI1 Cushion Natural Diamond

VG • J/SI1 • IGI 749531713

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

Certificate IGI 749531713

Diamond specifications and retailer prices

From $407 CAD
As of November 6, 2026
Save $894 CAD (69%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,300 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 749531713. Listed at 7 retailers as of November 4, 2026, with prices from $407 to $1,300, a $894 spread on the same certified stone. MOH London lists it at $1,300. 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

0.51
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle31.6°
OriginNatural
Grading LabIGI
CertificateIGI 749531713
Dimensions4.48 × 4.39 × 2.89 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizeNone
Top View
4.48 mm4.39 mm0.51 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 749531713
Side View
Table 63.0%Crown 34.1°Girdle: STK-VTKPavilion 31.6°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,300 CAD|Low: $407 CAD|High: $1,351 CAD|Avg: $839 CAD|-3.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$407 CAD
Retailer 6$747 CAD
Retailer 4$757 CAD
Retailer 7$782 CAD
Retailer 5$873 CAD
Retailer 3$1,016 CAD
MOH London$1,300 CAD

41 data points across 7 retailers

7 retailers$407 CAD to $1,300 CAD

A
Cheapest Retailer
-
$407 CAD
B+
Retailer 2
-
$747 CAD
View
B+
Retailer 3
-
$757 CAD
View
B+
Retailer 4
-
$782 CAD
View
B+
Retailer 5
-
$873 CAD
View
B
Retailer 6
-
$1,016 CAD
View
Most Expensive
B
MOH London
DB7F122AF · Nov 4
$1,300 CAD
£728 GBP
View
6 more retailers have this diamond
Prices start from $407 CADSave up to $894 CAD

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
0.51ct Cushion
$407 CAD