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Cushion|Lab Grown|IGI

1.02ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG689561989

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689561989

Diamond specifications and retailer prices

From £281 GBP
$374 USD
As of October 30, 2026
Save £893 GBP (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,183 GBP at MOH London · As of October 12, 2026
View at MOH London

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 LG689561989 or 689561989. Listed at 17 retailers as of October 30, 2026, with a 318% 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

1.02
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689561989
Dimensions6.74 × 5.55 × 3.69 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizePointed
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
6.74 mm5.55 mm1.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689561989
Side View
Table 57.0%Crown 32.2°Girdle: THN-STKPavilion 41°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,183 GBP|Low: £263 GBP|High: £1,183 GBP|Avg: £637 GBP|+0.2%
MOH London
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 30, 2026
Retailer 13£281 GBP
Retailer 3£294 GBP
Retailer 14£447 GBP
Retailer 15£459 GBP
Retailer 16£473 GBP
Retailer 5£478 GBP
Retailer 12£505 GBP
Retailer 2£524 GBP
Retailer 9£545 GBP
Retailer 11£718 GBP
Retailer 10£746 GBP
Retailer 4£762 GBP
Retailer 7£980 GBP
Retailer 8£1,087 GBP
Retailer 6£1,174 GBP
MOH London£1,183 GBP

44 data points across 16 retailers

17 retailers£281 GBP to £1,174 GBP

A
Cheapest Retailer
-
£281 GBP
$374 USD
Final sale: no returns
A
Retailer 2
-
£294 GBP
$392 USD
View
A
Retailer 3
-
£447 GBP
$595 USD
View
A
Retailer 4
-
£459 GBP
$611 USD
View
A
Retailer 5
-
£473 GBP
$630 USD
View
A
Retailer 6
-
£478 GBP
$637 USD
View
A
Retailer 7
-
£505 GBP
ZAR 10,874 ZAR
View
A
Retailer 8
-
£524 GBP
View
A
Retailer 9
-
£545 GBP
€691 EUR
View
B+
Retailer 10
-
£718 GBP
A$1,470 AUD
View
B+
Retailer 11
-
£746 GBP
A$1,529 AUD
View
B+
Retailer 12
-
£762 GBP
$1,015 USD
View
B+
Retailer 13
-
£980 GBP
$1,305 USD
View
Retailer 14
-
£1,001 GBP
$1,333 USD
View
Price last confirmed 81 days ago
B
Retailer 15
-
£1,109 GBP
$1,477 USD
View
B
Retailer 16
-
£1,174 GBP
$1,564 USD
View
Most Expensive
MOH London
LG689561989 · Oct 12
£1,183 GBP
View
Price last confirmed 18 days ago
16 more retailers have this diamond
Prices start from £281 GBPSave up to £893 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
£281 GBP