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Cushion|Natural|IGI

3.01ct K SI1 Cushion Natural Diamond

VG • K/SI1 • IGI 407925975

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

Certificate IGI 407925975

Diamond specifications and retailer prices

From £9,952 GBP
As of November 6, 2026
Save £7,197 GBP (42%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £17,149 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.01ct natural cushion diamond

This 3.01ct natural cushion sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 407925975. Listed at 4 retailers as of November 4, 2026, with prices from £9,952 to £17,149, a £7,197 spread on the same certified stone. MOH London lists it at £17,149. 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

3.01
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle44.9°
Pavilion angle34.5°
OriginNatural
Grading LabIGI
CertificateIGI 407925975
Dimensions7.92 × 7.82 × 5.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.92 mm7.82 mm3.01 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 407925975
Side View
Table 66.5%Crown 44.9°Girdle: VTK-ETKPavilion 34.5°Culet: NoneDepth 69.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £17,149 GBP|Low: £9,952 GBP|High: £17,402 GBP|Avg: £13,152 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2£9,952 GBP
Retailer 4£11,774 GBP
Retailer 3£13,284 GBP
MOH London£17,149 GBP

43 data points across 4 retailers

4 retailers£9,952 GBP to £17,149 GBP

A
Cheapest Retailer
-
£9,952 GBP
B+
Retailer 2
-
£11,774 GBP
View
B+
Retailer 3
-
£13,284 GBP
View
Most Expensive
B
MOH London
EF8DE2945 · Nov 4
£17,149 GBP
View
3 more retailers have this diamond
Prices start from £9,952 GBPSave up to £7,197 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
3.01ct Cushion
£9,952 GBP