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Cushion|Lab Grown|IGI

1.01ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG816625361

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816625361

Diamond specifications and retailer prices

From £243 GBP
$326 USD
As of October 26, 2026
Save £1,122 GBP (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,366 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816625361 or 816625361. Listed at 15 retailers as of October 26, 2026, with prices from £243 to £1,366, a £1,122 spread on the same certified stone. Brilliant Earth lists it at £1,366. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816625361
Dimensions7.24 × 4.95 × 3.40 mm
L/W Ratio1.46
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
7.24 mm4.95 mm1.01 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816625361
Side View
Table 59.0%Crown 34.1°Girdle: MED-THKPavilion 36.7°Culet: NoneDepth 68.7%

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 26
Current: £1,366 GBP|Low: £243 GBP|High: £1,597 GBP|Avg: £800 GBP|-14.5%
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£243 GBP
Retailer 12£270 GBP
Retailer 11£410 GBP
Retailer 8£436 GBP
Retailer 4£443 GBP
Retailer 13£443 GBP
Retailer 10£464 GBP
Retailer 2£478 GBP
Retailer 5£693 GBP
Retailer 6£741 GBP
Retailer 3£904 GBP
Retailer 7£966 GBP
Retailer 15£1,046 GBP
Retailer 9£1,088 GBP
Brilliant Earth£1,366 GBP

39 data points across 15 retailers

15 retailers£243 GBP to £1,366 GBP

A
Cheapest Retailer
-
£243 GBP
$326 USD
Final sale: no returns
A
Retailer 2
-
£270 GBP
$362 USD
View
A
Retailer 3
-
£410 GBP
$550 USD
View
A
Retailer 4
-
£436 GBP
€557 EUR
View
A
Retailer 5
-
£443 GBP
$593 USD
View
A
Retailer 6
-
£443 GBP
$593 USD
View
A
Retailer 7
-
£464 GBP
ZAR 10,044 ZAR
View
A
Retailer 8
-
£478 GBP
View
B+
Retailer 9
-
£693 GBP
$929 USD
View
B+
Retailer 10
-
£741 GBP
SGD 1,342 SGD
View
B+
Retailer 11
-
£904 GBP
$1,212 USD
View
Retailer 12
-
£966 GBP
$1,295 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
£1,046 GBP
View
B
Retailer 14
-
£1,088 GBP
View
Most Expensive
B
Brilliant Earth
21421471A · Oct 29
£1,366 GBP
$1,830 USD
View
14 more retailers have this diamond
Prices start from £243 GBPSave up to £1,122 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
£243 GBP