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Cushion|Lab Grown|IGI

5.02ct E SI1 Cushion Lab Grown Diamond

VG • E/SI1 • IGI LG846656018

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846656018

Diamond specifications and retailer prices

From £494 GBP
$658 USD
As of October 27, 2026
Save £2,487 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,981 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.02ct lab-grown cushion diamond

This 5.02ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG846656018 or 846656018. Listed at 11 retailers as of October 27, 2026, with prices from £494 to £2,981, a £2,487 spread on the same certified stone. Brilliant Earth lists it at £2,981. 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

5.02
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle31°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846656018
Dimensions11.87 × 8.58 × 5.65 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.87 mm8.58 mm5.02 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846656018
Side View
Table 63.0%Crown 34.2°Girdle: MED-THKPavilion 31°Culet: NoneDepth 65.9%

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 27
Current: £2,981 GBP|Low: £494 GBP|High: £2,981 GBP|Avg: £1,195 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 27, 2026
Retailer 4£494 GBP
Retailer 5£575 GBP
Retailer 3£596 GBP
Retailer 7£646 GBP
Retailer 2£796 GBP
Retailer 10£813 GBP
Retailer 9£843 GBP
Retailer 6£852 GBP
Retailer 11£1,729 GBP
Retailer 8£2,383 GBP
Brilliant Earth£2,981 GBP

3 data points across 11 retailers

11 retailers£494 GBP to £2,981 GBP

A
Cheapest Retailer
-
£494 GBP
$658 USD
Final sale: no returns
A
Retailer 2
-
£575 GBP
View
A
Retailer 3
-
£596 GBP
HK$6,200 HKD
View
A
Retailer 4
-
£646 GBP
$860 USD
View
A
Retailer 5
-
£796 GBP
€1,010 EUR
View
A
Retailer 6
-
£813 GBP
$1,082 USD
View
B+
Retailer 7
-
£843 GBP
$1,122 USD
View
A
Retailer 8
-
£852 GBP
View
B
Retailer 9
-
£1,729 GBP
SGD 3,112 SGD
View
B
Retailer 10
-
£2,383 GBP
View
Most Expensive
B
Brilliant Earth
22307562A · Oct 29
£2,981 GBP
$3,970 USD
View
10 more retailers have this diamond
Prices start from £494 GBPSave up to £2,487 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
5.02ct Cushion
£494 GBP