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Cushion|Lab Grown|IGI

1.01ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG835612123

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG835612123

Diamond specifications and retailer prices

From £202 GBP
$270 USD
As of October 30, 2026
Save £1,000 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,202 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG835612123 or 835612123. Listed at 15 retailers as of October 29, 2026, with prices from £202 to £1,202, a £1,000 spread on the same certified stone. Brilliant Earth lists it at £1,202. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835612123
Dimensions6.95 × 5.36 × 3.46 mm
L/W Ratio1.30
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
6.95 mm5.36 mm1.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835612123
Side View
Table 57.0%Crown 33.1°Girdle: STK-THKPavilion 37°Culet: NoneDepth 64.6%

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 30
Current: £1,202 GBP|Low: £202 GBP|High: £1,254 GBP|Avg: £555 GBP|-3.6%
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
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 16£202 GBP
Retailer 3£224 GBP
Retailer 9£237 GBP
Retailer 4£302 GBP
Retailer 11£369 GBP
Retailer 13£384 GBP
Retailer 10£424 GBP
Retailer 15£429 GBP
Retailer 8£444 GBP
Retailer 14£546 GBP
Retailer 2£556 GBP
Retailer 6£604 GBP
Retailer 7£758 GBP
Retailer 12£901 GBP
Retailer 5£990 GBP
Brilliant Earth£1,202 GBP

37 data points across 16 retailers

15 retailers£202 GBP to £1,202 GBP

A
Cheapest Retailer
-
£202 GBP
$270 USD
Final sale: no returns
A
Retailer 2
-
£224 GBP
$300 USD
View
A
Retailer 3
-
£237 GBP
View
A
Retailer 4
-
£302 GBP
$405 USD
View
A
Retailer 5
-
£369 GBP
€471 EUR
View
A
Retailer 6
-
£384 GBP
ZAR 8,322 ZAR
View
A
Retailer 7
-
£424 GBP
View
A
Retailer 8
-
£429 GBP
$575 USD
View
A
Retailer 9
-
£546 GBP
A$1,125 AUD
View
A
Retailer 10
-
£556 GBP
$745 USD
View
B+
Retailer 11
-
£604 GBP
SGD 1,093 SGD
View
B+
Retailer 12
-
£758 GBP
$1,016 USD
View
B+
Retailer 13
-
£901 GBP
View
B+
Retailer 14
-
£990 GBP
$1,327 USD
View
Most Expensive
B
Brilliant Earth
21448262A · Oct 29
£1,202 GBP
$1,610 USD
View
14 more retailers have this diamond
Prices start from £202 GBPSave up to £1,000 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
1.01ct Cushion
£202 GBP