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Cushion|Lab Grown|IGI

1.45ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG825660186

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825660186

Diamond specifications and retailer prices

From £381 GBP
$510 USD
As of October 30, 2026
Save £2,067 GBP (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,448 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.45ct lab-grown cushion diamond

This 1.45ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825660186 or 825660186. Listed at 15 retailers as of October 29, 2026, with prices from £381 to £2,448, a £2,067 spread on the same certified stone. Brilliant Earth lists it at £2,448. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660186
Dimensions8.25 × 5.58 × 3.78 mm
L/W Ratio1.48
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
8.25 mm5.58 mm1.45 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660186
Side View
Table 63.0%Crown 33.9°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 67.7%

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: £2,448 GBP|Low: £381 GBP|High: £2,530 GBP|Avg: £1,163 GBP|-3.2%
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
October 30, 2026
Retailer 14£381 GBP
Retailer 7£488 GBP
Retailer 8£636 GBP
Retailer 10£638 GBP
Retailer 15£660 GBP
Retailer 2£697 GBP
Retailer 9£724 GBP
Retailer 12£863 GBP
Retailer 3£974 GBP
Retailer 5£1,325 GBP
Retailer 4£1,337 GBP
Retailer 13£1,378 GBP
Retailer 6£1,422 GBP
Retailer 11£1,550 GBP
Brilliant Earth£2,448 GBP

40 data points across 15 retailers

15 retailers£381 GBP to £2,448 GBP

A
Cheapest Retailer
-
£381 GBP
$510 USD
Final sale: no returns
Retailer 2
-
£488 GBP
$654 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£636 GBP
€812 EUR
View
A
Retailer 4
-
£638 GBP
$855 USD
View
A
Retailer 5
-
£660 GBP
$884 USD
View
A
Retailer 6
-
£697 GBP
View
A
Retailer 7
-
£724 GBP
ZAR 15,669 ZAR
View
A
Retailer 8
-
£863 GBP
$1,156 USD
View
A
Retailer 9
-
£974 GBP
$1,305 USD
View
Retailer 10
-
£1,325 GBP
$1,775 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
£1,337 GBP
SGD 2,420 SGD
View
B+
Retailer 12
-
£1,378 GBP
$1,846 USD
View
Retailer 13
-
£1,422 GBP
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£1,550 GBP
View
Most Expensive
B
Brilliant Earth
21434018A · Oct 29
£2,448 GBP
$3,280 USD
View
14 more retailers have this diamond
Prices start from £381 GBPSave up to £2,067 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
1.45ct Cushion
£381 GBP