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Cushion|Natural|IGI

1.00ct F I1 Cushion Natural Diamond

VG • F/I1 • IGI 743535234

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

Certificate IGI 743535234

Diamond specifications and retailer prices

From £747 GBP
$1,001 USD
As of November 1, 2026
Save £347 GBP (32%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,094 GBP at Yorxs · As of October 31, 2026
View at Yorxs

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded F colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 743535234. Listed at 4 retailers as of October 31, 2026, with prices from £747 to £1,094, a £347 spread on the same certified stone. Yorxs lists it at £1,094. 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

1.00
Carat
F
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40°
Pavilion angle31.2°
OriginNatural
Grading LabIGI
CertificateIGI 743535234
Dimensions5.54 × 5.34 × 3.78 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Top View
5.54 mm5.34 mm1.00 ctF / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 743535234
Side View
Table 59.0%Crown 40°Girdle: THK-VTKPavilion 31.2°Culet: NoneDepth 70.8%

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: Nov 1
Current: £780 GBP|Low: £747 GBP|High: £1,094 GBP|Avg: £876 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
October 31, 2026
Retailer 4£747 GBP
Retailer 1£780 GBP
Retailer 2£808 GBP
Retailer 3£928 GBP
Yorxs£1,094 GBP

16 data points across 5 retailers

4 retailers£747 GBP to £1,094 GBP

A
Cheapest Retailer
-
£747 GBP
$1,001 USD
B+
Retailer 2
-
£780 GBP
$1,045 USD
View
B+
Retailer 3
-
£808 GBP
$1,083 USD
View
Most Expensive
B+
Yorxs
49A8EDF42 · Oct 31
£1,094 GBP
€1,396 EUR
View
3 more retailers have this diamond
Prices start from £747 GBPSave up to £347 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
1.00ct Cushion
£747 GBP