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Cushion|Natural|IGI

1.00ct G I1 Cushion Natural Diamond

VG • G/I1 • IGI 808619885

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

Certificate IGI 808619885

Diamond specifications and retailer prices

From £738 GBP
$989 USD
As of November 1, 2026
Save £322 GBP (30%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,060 GBP at Yorxs · As of November 2, 2026
View at Yorxs

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded G colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 808619885. Listed at 4 retailers as of November 1, 2026, with prices from £738 to £1,060, a £322 spread on the same certified stone. Yorxs lists it at £1,060. 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
G
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle34.4°
OriginNatural
Grading LabIGI
CertificateIGI 808619885
Dimensions5.51 × 5.48 × 3.71 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.51 mm5.48 mm1.00 ctG / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 808619885
Side View
Table 63.0%Crown 38°Girdle: MED-THKPavilion 34.4°CuletDepth 67.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £755 GBP|Low: £738 GBP|High: £1,061 GBP|Avg: £832 GBP
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 2, 2026
Retailer 3£738 GBP
Retailer 1£755 GBP
Retailer 2£781 GBP
Yorxs£1,060 GBP

10 data points across 4 retailers

4 retailers£738 GBP to £1,060 GBP

B+
Cheapest Retailer
-
£738 GBP
$989 USD
B+
Retailer 2
-
£755 GBP
$1,011 USD
View
B+
Retailer 3
-
£781 GBP
$1,047 USD
View
Most Expensive
B+
Yorxs
7100E7829 · Nov 2
£1,060 GBP
€1,353 EUR
View
3 more retailers have this diamond
Prices start from £738 GBPSave up to £322 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.

B+
1.00ct Cushion
£738 GBP