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Cushion|Natural|IGI

1.06ct L SI1 Cushion Natural Diamond

VG • L/SI1 • IGI 830630925

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

Certificate IGI 830630925

Diamond specifications and retailer prices

From £551 GBP
As of November 6, 2026
Save £406 GBP (42%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £956 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.06ct natural cushion diamond

This 1.06ct natural cushion sits in the classic one-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 830630925. Listed at 7 retailers as of November 6, 2026, with prices from £551 to £956, a £406 spread on the same certified stone. Yorxs lists it at £956. 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

1.06
Carat
L
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle34.8°
OriginNatural
Grading LabIGI
CertificateIGI 830630925
Dimensions5.80 × 5.52 × 3.79 mm
L/W Ratio1.05
Girdle conditionFaceted
Top View
5.80 mm5.52 mm1.06 ctL / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 830630925
Side View
Table 68.0%Crown 38.8°Girdle: STK-VTKPavilion 34.8°Culet: NoneDepth 68.7%

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: Nov 6
Current: £551 GBP|Low: £551 GBP|High: £959 GBP|Avg: £754 GBP|-3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 6, 2026
Retailer 1£551 GBP
Retailer 2£625 GBP
Retailer 4£766 GBP
Retailer 3£786 GBP
Retailer 5£796 GBP
Yorxs£956 GBP

45 data points across 6 retailers

7 retailers£551 GBP to £956 GBP

A
Cheapest Retailer
-
£551 GBP
B+
Retailer 2
-
£625 GBP
View
B+
Retailer 3
-
£743 GBP
View
B+
Retailer 4
-
£766 GBP
View
B+
Retailer 5
-
£786 GBP
View
B+
Retailer 6
-
£796 GBP
View
Most Expensive
B
Yorxs
NDR168213A · Nov 6
£956 GBP
€1,219 EUR
View
6 more retailers have this diamond
Prices start from £551 GBPSave up to £406 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
1.06ct Cushion
£551 GBP