Cushion|Lab Grown|IGI

1.28ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG821621504

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821621504

Diamond specifications and retailer prices

From £157 GBP
$211 USD
As of October 31, 2026
Save £671 GBP (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £828 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821621504 or 821621504. Listed at 12 retailers as of October 29, 2026, with prices from £157 to £828, a £671 spread on the same certified stone. MOH London lists it at £828. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821621504
Dimensions7.36 × 5.63 × 3.80 mm
L/W Ratio1.31
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.36 mm5.63 mm1.28 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821621504
Side View
Table 64.0%Crown 36.5°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 67.5%

Caratlytics Score

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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 31
Current: £828 GBP|Low: £117 GBP|High: £859 GBP|Avg: £446 GBP|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 2£157 GBP
Retailer 5£239 GBP
Retailer 9£291 GBP
Retailer 10£304 GBP
Retailer 4£318 GBP
Retailer 11£440 GBP
Retailer 7£453 GBP
Retailer 6£592 GBP
Retailer 8£606 GBP
Retailer 3£726 GBP
MOH London£828 GBP

36 data points across 11 retailers

12 retailers£157 GBP to £828 GBP

A
Cheapest Retailer
-
£157 GBP
$211 USD
Final sale: no returns
B+
Retailer 2
-
£239 GBP
$320 USD
View
A
Retailer 3
-
£291 GBP
€371 EUR
View
Retailer 4
-
£304 GBP
ZAR 6,589 ZAR
View
Price last confirmed 13 days ago
A
Retailer 5
-
£318 GBP
View
Retailer 6
-
£440 GBP
A$907 AUD
View
Price last confirmed 13 days ago
A
Retailer 7
-
£453 GBP
$607 USD
View
B+
Retailer 8
-
£592 GBP
$793 USD
View
B+
Retailer 9
-
£606 GBP
$813 USD
View
Retailer 10
-
£726 GBP
A$1,496 AUD
View
Price last confirmed 26 days ago
Retailer 11
-
£813 GBP
$1,090 USD
View
Price last confirmed 32 days ago
Most Expensive
B
MOH London
LG821621504 · Oct 29
£828 GBP
View
11 more retailers have this diamond
Prices start from £157 GBPSave up to £671 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
1.28ct Cushion
£157 GBP