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Cushion|Lab Grown|IGI

1.02ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG675529123

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG675529123

Diamond specifications and retailer prices

From £334 GBP
$445 USD
As of October 30, 2026
Save £1,145 GBP (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,479 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.02ct lab-grown cushion diamond

This 1.02ct 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 LG675529123 or 675529123. Listed at 17 retailers as of October 29, 2026, with prices from £334 to £1,479, a £1,145 spread on the same certified stone. Brilliant Earth lists it at £1,479. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675529123
Dimensions6.97 × 5.17 × 6.97 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.97 mm5.17 mm1.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675529123
Side View
Table 65.0%Crown 37.1°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 69.1%

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: £1,479 GBP|Low: £334 GBP|High: £1,479 GBP|Avg: £748 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 30, 2026
Retailer 5£334 GBP
Retailer 4£370 GBP
Retailer 3£481 GBP
Retailer 13£507 GBP
Retailer 8£582 GBP
Retailer 2£608 GBP
Retailer 10£636 GBP
Retailer 7£789 GBP
Retailer 6£902 GBP
Retailer 12£909 GBP
Retailer 11£961 GBP
Retailer 9£1,454 GBP
Brilliant Earth£1,479 GBP

40 data points across 13 retailers

17 retailers£334 GBP to £1,479 GBP

A
Cheapest Retailer
-
£334 GBP
$445 USD
Final sale: no returns
A
Retailer 2
-
£370 GBP
$493 USD
View
A
Retailer 3
-
£383 GBP
$510 USD
View
A
Retailer 4
-
£481 GBP
$640 USD
View
A
Retailer 5
-
£507 GBP
$675 USD
View
A
Retailer 6
-
£582 GBP
€738 EUR
View
A
Retailer 7
-
£608 GBP
View
A
Retailer 8
-
£636 GBP
ZAR 13,685 ZAR
View
B+
Retailer 9
-
£789 GBP
A$1,617 AUD
View
B+
Retailer 10
-
£902 GBP
A$1,848 AUD
View
B+
Retailer 11
-
£909 GBP
$1,210 USD
View
Retailer 12
-
£961 GBP
$1,280 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
£1,217 GBP
$1,621 USD
View
B
Retailer 14
-
£1,370 GBP
$1,824 USD
View
B
Retailer 15
-
£1,385 GBP
$1,844 USD
View
B
Retailer 16
-
£1,454 GBP
View
Most Expensive
B
Brilliant Earth
16925105A · Oct 29
£1,479 GBP
$1,970 USD
View
16 more retailers have this diamond
Prices start from £334 GBPSave up to £1,145 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
1.02ct Cushion
£334 GBP