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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 $370 SGD
As of November 6, 2026
Save $815 SGD (69%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,185 SGD 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 $370 to $1,185, a $815 spread on the same certified stone. MOH London lists it at $1,185. 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
Colour
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

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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: $1,185 SGD|Low: $370 SGD|High: $1,230 SGD|Avg: $764 SGD|-3.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$370 SGD
Retailer 6$681 SGD
Retailer 4$690 SGD
Retailer 7$713 SGD
Retailer 5$796 SGD
Retailer 3$925 SGD
MOH London$1,185 SGD

41 data points across 7 retailers

7 retailers$370 SGD to $1,185 SGD

A
Cheapest Retailer
-
$370 SGD
B+
Retailer 2
-
$681 SGD
View
B+
Retailer 3
-
$690 SGD
View
B+
Retailer 4
-
$713 SGD
View
B+
Retailer 5
-
$796 SGD
View
B
Retailer 6
-
$925 SGD
View
Most Expensive
B
MOH London
DB7F122AF · Nov 4
$1,185 SGD
£728 GBP
View
6 more retailers have this diamond
Prices start from $370 SGDSave up to $815 SGD

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
$370 SGD