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Cushion|Lab Grown|IGI

1.07ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG836620234

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836620234

Diamond specifications and retailer prices

From £284 GBP
$381 USD
As of October 25, 2026
Save £962 GBP (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,246 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.07ct lab-grown cushion diamond

This 1.07ct 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 LG836620234 or 836620234. Listed at 13 retailers as of October 25, 2026, with prices from £284 to £1,246, a £962 spread on the same certified stone. Brilliant Earth lists it at £1,246. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.07
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620234
Dimensions7.33 × 5.31 × 3.47 mm
L/W Ratio1.38
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
7.33 mm5.31 mm1.07 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620234
Side View
Table 57.0%Crown 33.6°Girdle: STK-THKPavilion 36.8°Culet: NoneDepth 65.3%

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 25
Current: £1,246 GBP|Low: £284 GBP|High: £1,746 GBP|Avg: £833 GBP|-28.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 11£284 GBP
Retailer 10£429 GBP
Retailer 6£458 GBP
Retailer 3£464 GBP
Retailer 9£489 GBP
Retailer 12£490 GBP
Retailer 2£505 GBP
Retailer 4£734 GBP
Retailer 5£778 GBP
Retailer 8£899 GBP
Retailer 13£950 GBP
Retailer 7£1,147 GBP
Brilliant Earth£1,246 GBP

38 data points across 13 retailers

13 retailers£284 GBP to £1,246 GBP

A
Cheapest Retailer
-
£284 GBP
$381 USD
A
Retailer 2
-
£429 GBP
$575 USD
View
A
Retailer 3
-
£458 GBP
€585 EUR
View
A
Retailer 4
-
£464 GBP
$622 USD
View
A
Retailer 5
-
£489 GBP
ZAR 10,584 ZAR
View
A
Retailer 6
-
£490 GBP
$657 USD
View
A
Retailer 7
-
£505 GBP
View
B+
Retailer 8
-
£734 GBP
$984 USD
View
B+
Retailer 9
-
£778 GBP
SGD 1,408 SGD
View
B+
Retailer 10
-
£899 GBP
$1,205 USD
View
B+
Retailer 11
-
£950 GBP
$1,272 USD
View
B
Retailer 12
-
£1,147 GBP
View
Most Expensive
B
Brilliant Earth
21589649A · Oct 30
£1,246 GBP
$1,670 USD
View
12 more retailers have this diamond
Prices start from £284 GBPSave up to £962 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
1.07ct Cushion
£284 GBP