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Cushion|Lab Grown|IGI

1.03ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG799647305

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799647305

Diamond specifications and retailer prices

From £703 GBP
$942 USD
As of October 26, 2026
Save £484 GBP (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,187 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799647305 or 799647305. Listed at 2 retailers as of October 26, 2026, with prices from £703 to £1,187, a £484 spread on the same certified stone. Brilliant Earth lists it at £1,187. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799647305
Dimensions7.48 × 4.93 × 3.38 mm
L/W Ratio1.52
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.48 mm4.93 mm1.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799647305
Side View
Table 62.0%Crown 34.2°Girdle: MED-STKPavilion 33.2°Culet: NoneDepth 68.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 26
Current: £1,187 GBP|Low: £359 GBP|High: £1,805 GBP|Avg: £1,000 GBP|-15.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5£359 GBP
Retailer 4£653 GBP
Retailer 2£703 GBP
Retailer 9£758 GBP
Retailer 3£769 GBP
Retailer 8£1,023 GBP
Brilliant Earth£1,187 GBP
Retailer 6£1,626 GBP
Retailer 7£1,805 GBP

8 data points across 9 retailers

2 retailers£703 GBP to £1,187 GBP

B+
Cheapest Retailer
-
£703 GBP
$942 USD
Most Expensive
B
Brilliant Earth
21412374Y · Oct 30
£1,187 GBP
$1,590 USD
View
1 more retailer has this diamond
Prices start from £703 GBPSave up to £484 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+
1.03ct Cushion
£703 GBP