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Cushion|Lab Grown|IGI

1.22ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG634428965

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG634428965

Diamond specifications and retailer prices

From £178 GBP
$237 USD
As of October 30, 2026
Save £748 GBP (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £926 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.22ct lab-grown cushion diamond

This 1.22ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634428965 or 634428965. Listed at 15 retailers as of October 30, 2026, with prices from £178 to £926, a £748 spread on the same certified stone. Reve Diamonds lists it at £926. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634428965
Dimensions6.18 × 6.11 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.18 mm6.11 mm1.22 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634428965
Side View
Table 61.0%Crown 36.7°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 68.1%

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 30
Current: £365 GBP|Low: £158 GBP|High: £941 GBP|Avg: £466 GBP|+19.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Reve Diamonds
October 30, 2026
Retailer 5£178 GBP
Retailer 11£197 GBP
Retailer 10£249 GBP
Retailer 7£308 GBP
Retailer 3£336 GBP
Retailer 8£340 GBP
Retailer 6£340 GBP
Retailer 1£365 GBP
Retailer 14£436 GBP
Retailer 9£483 GBP
Retailer 12£484 GBP
Retailer 4£675 GBP
Retailer 13£758 GBP
Retailer 2£802 GBP
Reve Diamonds£926 GBP

40 data points across 15 retailers

15 retailers£178 GBP to £926 GBP

A
Cheapest Retailer
-
£178 GBP
$237 USD
Final sale: no returns
A
Retailer 2
-
£197 GBP
$263 USD
View
Retailer 3
-
£249 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
£308 GBP
€390 EUR
View
A
Retailer 5
-
£336 GBP
$448 USD
View
A
Retailer 6
-
£340 GBP
ZAR 7,306 ZAR
View
A
Retailer 7
-
£340 GBP
$453 USD
View
B+
Retailer 8
-
£365 GBP
View
B+
Retailer 9
-
£436 GBP
$581 USD
View
B+
Retailer 10
-
£483 GBP
A$990 AUD
View
B+
Retailer 11
-
£484 GBP
$645 USD
View
B
Retailer 12
-
£675 GBP
$899 USD
View
B
Retailer 13
-
£758 GBP
$1,010 USD
View
Retailer 14
-
£802 GBP
View
Price last confirmed 18 days ago
Most Expensive
B
Reve Diamonds
7A6A49EA3 · Oct 30
£926 GBP
$1,233 USD
View
14 more retailers have this diamond
Prices start from £178 GBPSave up to £748 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
1.22ct Cushion
£178 GBP