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Cushion|Natural|IGI

0.51ct E SI2 Cushion Natural Diamond

VG • E/SI2 • IGI 749531605

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

Certificate IGI 749531605

Diamond specifications and retailer prices

From $452 SGD
₹33,646 INR
As of October 30, 2026
Save $969 SGD (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,421 SGD at MOH London · As of October 29, 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 E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 749531605. Listed at 6 retailers as of October 29, 2026, with prices from $452 to $1,421, a $969 spread on the same certified stone. MOH London lists it at $1,421. 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
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle37.4°
Pavilion angle34.7°
OriginNatural
Grading LabIGI
CertificateIGI 749531605
Dimensions4.52 × 4.35 × 3.03 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Top View
4.52 mm4.35 mm0.51 ctE / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 749531605
Side View
Table 63.0%Crown 37.4°Girdle: STK-THKPavilion 34.7°Culet: NoneDepth 69.7%

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: Oct 30
Current: $1,421 SGD|Low: $449 SGD|High: $1,469 SGD|Avg: $882 SGD|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2$452 SGD
Retailer 4$767 SGD
Retailer 5$780 SGD
Retailer 6$861 SGD
Retailer 3$919 SGD
MOH London$1,421 SGD

43 data points across 6 retailers

6 retailers$452 SGD to $1,421 SGD

A
Cheapest Retailer
-
$452 SGD
₹33,646 INR
B+
Retailer 2
-
$767 SGD
£472 GBP
View
B+
Retailer 3
-
$780 SGD
$610 USD
View
B+
Retailer 4
-
$861 SGD
$673 USD
View
B+
Retailer 5
-
$919 SGD
€685 EUR
View
Most Expensive
B
MOH London
604176C28 · Oct 29
$1,421 SGD
£875 GBP
View
5 more retailers have this diamond
Prices start from $452 SGDSave up to $969 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
$452 SGD