Cushion|Lab Grown|IGI

1.10ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG658492621

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG658492621

Diamond specifications and retailer prices

From £349 GBP
$468 USD
As of October 30, 2026
Save £1,135 GBP (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,484 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.1ct lab-grown cushion diamond

This 1.1ct 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 LG658492621 or 658492621. Listed at 17 retailers as of October 30, 2026, with prices from £349 to £1,484, a £1,135 spread on the same certified stone. With Clarity lists it at £1,484. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.10
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658492621
Dimensions7.69 × 5.34 × 3.50 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.69 mm5.34 mm1.10 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658492621
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 34.5°Culet: NoneDepth 65.5%

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 30
Current: £614 GBP|Low: £349 GBP|High: £1,439 GBP|Avg: £852 GBP|+2.4%
Retailer 1
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 31, 2026
Retailer 5£349 GBP
Retailer 2£433 GBP
Retailer 13£541 GBP
Retailer 1£614 GBP
Retailer 6£632 GBP
Retailer 9£665 GBP
Retailer 8£843 GBP
Retailer 7£943 GBP
Retailer 12£974 GBP
Retailer 4£1,126 GBP
Retailer 11£1,172 GBP
Retailer 3£1,366 GBP
Retailer 10£1,424 GBP

41 data points across 13 retailers

17 retailers£349 GBP to £1,484 GBP

A
Cheapest Retailer
-
£349 GBP
$468 USD
Final sale: no returns
A
Retailer 2
-
£432 GBP
$579 USD
View
A
Retailer 3
-
£433 GBP
$580 USD
View
A
Retailer 4
-
£541 GBP
$725 USD
View
A
Retailer 5
-
£614 GBP
€783 EUR
View
A
Retailer 6
-
£632 GBP
View
A
Retailer 7
-
£665 GBP
ZAR 14,397 ZAR
View
B+
Retailer 8
-
£843 GBP
A$1,738 AUD
View
B+
Retailer 9
-
£943 GBP
A$1,944 AUD
View
B+
Retailer 10
-
£974 GBP
$1,305 USD
View
B+
Retailer 11
-
£1,126 GBP
View
Retailer 12
-
£1,172 GBP
$1,570 USD
View
Price last confirmed 13 days ago
B
Retailer 13
-
£1,269 GBP
$1,701 USD
View
B
Retailer 14
-
£1,366 GBP
$1,830 USD
View
B
Retailer 15
-
£1,411 GBP
$1,890 USD
View
B
Retailer 16
-
£1,424 GBP
View
Most Expensive
B
With Clarity
658492621 · Oct 31
£1,484 GBP
$1,989 USD
View
16 more retailers have this diamond
Prices start from £349 GBPSave up to £1,135 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
1.10ct Cushion
£349 GBP