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Cushion|Natural|IGI

1.00ct G I1 Cushion Natural Diamond

VG • G/I1 • IGI 700529321

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 700529321

Diamond specifications and retailer prices

From £738 GBP
$989 USD
As of November 1, 2026
Save £323 GBP (30%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,061 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 G colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 700529321. Listed at 4 retailers as of October 31, 2026, with prices from £738 to £1,061, a £323 spread on the same certified stone. Yorxs lists it at £1,061. 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
SymmetryVery Good
FluorescenceNone
Crown angle38.8°
Pavilion angle31.9°
OriginNatural
Grading LabIGI
CertificateIGI 700529321
Dimensions6.09 × 5.32 × 3.56 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Top View
6.09 mm5.32 mm1.00 ctG / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 700529321
Side View
Table 57.0%Crown 38.8°Girdle: MED-THKPavilion 31.9°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
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: £851 GBP
Retailer 1
Retailer 2
Retailer 3
Yorxs
October 31, 2026
Retailer 3£738 GBP
Retailer 1£755 GBP
Retailer 2£781 GBP
Yorxs£1,061 GBP

8 data points across 4 retailers

4 retailers£738 GBP to £1,061 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
B1D8A65AD · Oct 31
£1,061 GBP
€1,354 EUR
View
3 more retailers have this diamond
Prices start from £738 GBPSave up to £323 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