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Cushion|Natural|GIA

1.00ct E I1 Cushion Natural Diamond

EX • E/I1 • GIA 2477242143

Certificate GIA 2477242143

Diamond specifications and retailer prices

From £586 GBP
HK$6,100 HKD
As of October 29, 2026
Save £611 GBP (51%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,198 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2477242143. Listed at 11 retailers as of October 26, 2026, with prices from £586 to £1,198, a £611 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,198. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
I1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle29.83°
Pavilion angle40.78°
OriginNatural
Grading LabGIA
CertificateGIA 2477242143
Dimensions6.45 × 5.64 × 3.80 mm
L/W Ratio1.14
Top View
6.45 mm5.64 mm1.00 ctE / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2477242143
Side View
Table 76.0%Crown 29.83°Girdle: THN-THKPavilion 40.78°Culet: NoneDepth 67.3%

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: Oct 29
Current: £924 GBP|Low: £548 GBP|High: £1,246 GBP|Avg: £864 GBP|-3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
October 26, 2026
Retailer 2£586 GBP
Retailer 9£645 GBP
Retailer 5£687 GBP
Retailer 7£713 GBP
Retailer 8£714 GBP
Retailer 10£777 GBP
Retailer 11£906 GBP
Retailer 1£924 GBP
Retailer 6£924 GBP
Retailer 4£961 GBP
Retailer 3£1,097 GBP
Wholesale Diamonds Direct£1,198 GBP

26 data points across 12 retailers

11 retailers£586 GBP to £1,198 GBP

A
Cheapest Retailer
-
£586 GBP
HK$6,100 HKD
A
Retailer 2
-
£645 GBP
$859 USD
View
Final sale: no returns
A
Retailer 3
-
£687 GBP
$915 USD
View
A
Retailer 4
-
£713 GBP
$950 USD
View
A
Retailer 5
-
£714 GBP
$951 USD
View
A
Retailer 6
-
£777 GBP
SGD 1,398 SGD
View
A
Retailer 7
-
£906 GBP
$1,206 USD
View
A
Retailer 8
-
£924 GBP
$1,230 USD
View
A
Retailer 9
-
£924 GBP
$1,230 USD
View
B+
Retailer 10
-
£961 GBP
$1,280 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
259484025 · Oct 26
£1,198 GBP
$1,595 USD
View
10 more retailers have this diamond
Prices start from £586 GBPSave up to £611 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
£586 GBP