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Cushion|Lab Grown|IGI

1.03ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG658492610

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG658492610

Diamond specifications and retailer prices

From £1,220 GBP
$1,635 USD
As of October 24, 2026
Save £265 GBP (18%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,485 GBP at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct 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 LG658492610 or 658492610. Listed at 17 retailers as of October 24, 2026, with prices from £1,220 to £1,485, a £265 spread on the same certified stone. Brilliant Earth lists it at £1,485. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658492610
Dimensions7.51 × 4.98 × 3.42 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
7.51 mm4.98 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658492610
Side View
Table 59.0%Crown 38.9°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 68.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 24
Current: £1,485 GBP|Low: £334 GBP|High: £1,485 GBP|Avg: £743 GBP
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
October 24, 2026
Retailer 5£334 GBP
Retailer 3£371 GBP
Retailer 12£481 GBP
Retailer 11£508 GBP
Retailer 7£578 GBP
Retailer 2£599 GBP
Retailer 6£628 GBP
Retailer 13£800 GBP
Retailer 4£908 GBP
Retailer 10£912 GBP
Retailer 8£966 GBP
Retailer 9£1,459 GBP
Brilliant Earth£1,485 GBP

35 data points across 13 retailers

17 retailers£1,220 GBP to £1,485 GBP

Retailer 1
-
£371 GBP
$497 USD
Price last confirmed 14 days ago
Retailer 2
-
£387 GBP
$519 USD
View
Price last confirmed 7 days ago
Retailer 3
-
£481 GBP
$645 USD
View
Price last confirmed 7 days ago
Retailer 4
-
£508 GBP
$680 USD
View
Price last confirmed 8 days ago
Retailer 5
-
£578 GBP
€738 EUR
View
Price last confirmed 7 days ago
Retailer 6
-
£599 GBP
View
Price last confirmed 7 days ago
Retailer 7
-
£628 GBP
ZAR 13,592 ZAR
View
Price last confirmed 7 days ago
Retailer 8
-
£800 GBP
A$1,650 AUD
View
Price last confirmed 22 days ago
Retailer 9
-
£908 GBP
A$1,871 AUD
View
Price last confirmed 33 days ago
Retailer 10
-
£912 GBP
$1,222 USD
View
Price last confirmed 8 days ago
Retailer 11
-
£966 GBP
$1,295 USD
View
Price last confirmed 12 days ago
Retailer 12
-
£1,081 GBP
View
Price last confirmed 7 days ago
B
Retailer 13
-
£1,220 GBP
$1,635 USD
View
Retailer 14
-
£1,370 GBP
$1,836 USD
View
Price last confirmed 8 days ago
Retailer 15
-
£1,390 GBP
$1,862 USD
View
Price last confirmed 7 days ago
Retailer 16
-
£1,459 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
14014278A · Oct 24
£1,485 GBP
$1,990 USD
View
16 more retailers have this diamond
Prices start from £1,220 GBPSave up to £265 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.

B
1.03ct Cushion
£1,220 GBP