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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 £265 GBP
₹33,646 INR
As of October 30, 2026
Save £569 GBP (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £834 GBP 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 £265 to £834, a £569 spread on the same certified stone. MOH London lists it at £834. 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: £834 GBP|Low: £264 GBP|High: £863 GBP|Avg: £517 GBP|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2£265 GBP
Retailer 4£450 GBP
Retailer 5£458 GBP
Retailer 6£506 GBP
Retailer 3£540 GBP
MOH London£834 GBP

44 data points across 6 retailers

6 retailers£265 GBP to £834 GBP

A
Cheapest Retailer
-
£265 GBP
₹33,646 INR
B+
Retailer 2
-
£450 GBP
View
B+
Retailer 3
-
£458 GBP
$610 USD
View
B+
Retailer 4
-
£506 GBP
$673 USD
View
B+
Retailer 5
-
£540 GBP
€685 EUR
View
Most Expensive
B
MOH London
604176C28 · Oct 29
£834 GBP
View
5 more retailers have this diamond
Prices start from £265 GBPSave up to £569 GBP

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
£265 GBP