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Cushion|Natural|IGI

0.51ct K SI2 Cushion Natural Diamond

VG • K/SI2 • IGI 749531710

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

Certificate IGI 749531710

Diamond specifications and retailer prices

From $352 CAD
As of November 6, 2026
Save $774 CAD (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,125 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 749531710. Listed at 5 retailers as of November 4, 2026, with prices from $352 to $1,125, a $774 spread on the same certified stone. MOH London lists it at $1,125. 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
K
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.3°
Pavilion angle38.5°
OriginNatural
Grading LabIGI
CertificateIGI 749531710
Dimensions4.46 × 4.35 × 3.22 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeNone
Top View
4.46 mm4.35 mm0.51 ctK / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 749531710
Side View
Table 63.0%Crown 39.3°Girdle: THK-VTKPavilion 38.5°Culet: NoneDepth 74.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,125 CAD|Low: $352 CAD|High: $1,167 CAD|Avg: $749 CAD|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$352 CAD
Retailer 4$671 CAD
Retailer 5$671 CAD
Retailer 3$899 CAD
MOH London$1,125 CAD

44 data points across 5 retailers

5 retailers$352 CAD to $1,125 CAD

A
Cheapest Retailer
-
$352 CAD
B+
Retailer 2
-
$671 CAD
View
B+
Retailer 3
-
$671 CAD
View
B
Retailer 4
-
$899 CAD
View
Most Expensive
B
MOH London
C8F3922F8 · Nov 4
$1,125 CAD
£630 GBP
View
4 more retailers have this diamond
Prices start from $352 CADSave up to $774 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
$352 CAD