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Cushion|Lab Grown|IGI

1.13ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG658492614

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG658492614

Diamond specifications and retailer prices

From £358 GBP
$480 USD
As of October 30, 2026
Save £1,167 GBP (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,672 GBP at Brilliant Earth · As of September 26, 2026
View at Brilliant Earth

About this 1.13ct lab-grown cushion diamond

This 1.13ct 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 LG658492614 or 658492614. Listed at 16 retailers as of October 30, 2026, with a 326% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.13
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658492614
Dimensions7.74 × 5.12 × 3.55 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.74 mm5.12 mm1.13 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG658492614
Side View
Table 64.0%Crown 39°Girdle: STK-THKPavilion 36.1°Culet: NoneDepth 69.3%

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 30
Current: £1,351 GBP|Low: £358 GBP|High: £1,672 GBP|Avg: £869 GBP|-19.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3£358 GBP
Retailer 12£397 GBP
Retailer 11£455 GBP
Retailer 10£554 GBP
Retailer 2£628 GBP
Retailer 5£655 GBP
Retailer 6£682 GBP
Retailer 9£1,001 GBP
Retailer 4£1,160 GBP
Retailer 8£1,172 GBP
Brilliant Earth£1,351 GBP
Retailer 7£1,460 GBP

40 data points across 12 retailers

16 retailers£358 GBP to £1,525 GBP

A
Cheapest Retailer
-
£358 GBP
$480 USD
Final sale: no returns
A
Retailer 2
-
£397 GBP
$532 USD
View
A
Retailer 3
-
£453 GBP
$607 USD
View
A
Retailer 4
-
£455 GBP
$610 USD
View
A
Retailer 5
-
£554 GBP
$742 USD
View
A
Retailer 6
-
£628 GBP
€801 EUR
View
A
Retailer 7
-
£655 GBP
View
A
Retailer 8
-
£682 GBP
ZAR 14,763 ZAR
View
B+
Retailer 9
-
£1,001 GBP
$1,341 USD
View
Retailer 10
-
£1,172 GBP
$1,570 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
£1,300 GBP
$1,742 USD
View
B
Retailer 12
-
£1,351 GBP
$1,810 USD
View
B
Retailer 13
-
£1,436 GBP
$1,924 USD
View
B
Retailer 14
-
£1,460 GBP
View
B
Retailer 15
-
£1,525 GBP
$2,043 USD
View
Most Expensive
Brilliant Earth
16913215A · Sep 26
£1,672 GBP
$2,240 USD
View
Price last confirmed 35 days ago
15 more retailers have this diamond
Prices start from £358 GBPSave up to £1,167 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
1.13ct Cushion
£358 GBP