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Cushion|Natural|IGI

0.51ct J SI1 Cushion Natural Diamond

VG • J/SI1 • IGI 720529895

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 720529895

Diamond specifications and retailer prices

From $332 SGD
As of November 6, 2026
Save $703 SGD (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,035 SGD at MOH London · As of November 1, 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 720529895. Listed at 9 retailers as of November 1, 2026, with prices from $332 to $1,035, a $703 spread on the same certified stone. MOH London lists it at $1,035. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 720529895
Dimensions9.05 × 4.14 × 2.42 mm
L/W Ratio2.19
Girdle conditionFaceted
Culet sizePointed
Top View
9.05 mm4.14 mm0.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 720529895
Side View
Table 62.0%Crown 31.6°Girdle: THN-STKPavilion 40.3°Culet: NoneDepth 58.5%

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: $1,035 SGD|Low: $332 SGD|High: $1,047 SGD|Avg: $646 SGD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$332 SGD
Retailer 3$547 SGD
Retailer 5$596 SGD
Retailer 7$695 SGD
Retailer 6$731 SGD
Retailer 4$824 SGD
MOH London$1,035 SGD

28 data points across 7 retailers

9 retailers$332 SGD to $1,035 SGD

A
Cheapest Retailer
-
$332 SGD
Retailer 2
-
$483 SGD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$547 SGD
View
B+
Retailer 4
-
$596 SGD
View
B+
Retailer 5
-
$615 SGD
View
B+
Retailer 6
-
$695 SGD
View
B+
Retailer 7
-
$731 SGD
View
B+
Retailer 8
-
$824 SGD
View
Most Expensive
B
MOH London
48F9D8D51 · Nov 1
$1,035 SGD
£636 GBP
View
8 more retailers have this diamond
Prices start from $332 SGDSave up to $703 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
$332 SGD