Cushion|Lab Grown|IGI

4.70ct E VS1 Cushion Lab Grown Diamond

VG • E/VS1 • IGI LG804655254

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

Certificate IGI LG804655254

Diamond specifications and retailer prices

From £644 GBP
$858 USD
As of October 29, 2026
Save £4,342 GBP (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £4,986 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.7ct lab-grown cushion diamond

This 4.7ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG804655254 or 804655254. Listed at 13 retailers as of October 29, 2026, with prices from £644 to £4,986, a £4,342 spread on the same certified stone. Brilliant Earth lists it at £4,986. 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

4.70
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804655254
Dimensions9.70 × 9.35 × 9.70 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.70 mm9.35 mm4.70 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804655254
Side View
Table 65.0%Crown 35.9°Girdle: THK-VTKPavilion 37.9°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £4,986 GBP|Low: £431 GBP|High: £5,091 GBP|Avg: £1,790 GBP|+9.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7£644 GBP
Retailer 11£702 GBP
Retailer 3£940 GBP
Retailer 2£1,022 GBP
Retailer 5£1,067 GBP
Retailer 12£1,079 GBP
Retailer 10£1,603 GBP
Retailer 4£2,303 GBP
Retailer 6£2,514 GBP
Retailer 9£2,851 GBP
Retailer 8£3,203 GBP
Brilliant Earth£4,986 GBP

40 data points across 12 retailers

13 retailers£644 GBP to £4,986 GBP

A
Cheapest Retailer
-
£644 GBP
$858 USD
Final sale: no returns
A
Retailer 2
-
£702 GBP
HK$7,300 HKD
View
A
Retailer 3
-
£940 GBP
$1,252 USD
View
A
Retailer 4
-
£1,022 GBP
View
A
Retailer 5
-
£1,067 GBP
€1,353 EUR
View
A
Retailer 6
-
£1,079 GBP
$1,437 USD
View
B+
Retailer 7
-
£1,603 GBP
$2,135 USD
View
B
Retailer 8
-
£2,303 GBP
$3,067 USD
View
B+
Retailer 9
-
£2,514 GBP
View
Retailer 10
-
£2,851 GBP
A$5,841 AUD
View
Price last confirmed 21 days ago
Retailer 11
-
£3,203 GBP
$4,265 USD
View
Price last confirmed 11 days ago
Retailer 12
-
£3,237 GBP
$4,310 USD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
20520189A · Oct 29
£4,986 GBP
$6,640 USD
View
12 more retailers have this diamond
Prices start from £644 GBPSave up to £4,342 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
4.70ct Cushion
£644 GBP