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Cushion|Lab Grown|IGI

1.22ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG773627421

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG773627421

Diamond specifications and retailer prices

From £155 GBP
$208 USD
As of October 30, 2026
Save £673 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £828 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.22ct lab-grown cushion diamond

This 1.22ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG773627421 or 773627421. Listed at 11 retailers as of October 28, 2026, with prices from £155 to £828, a £673 spread on the same certified stone. Brilliant Earth 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

1.22
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773627421
Dimensions6.16 × 6.07 × 4.19 mm
L/W Ratio1.01
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
6.16 mm6.07 mm1.22 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773627421
Side View
Table 63.0%Crown 34.8°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 69.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £828 GBP|Low: £107 GBP|High: £61,324 GBP|Avg: £5,449 GBP|-1.8%
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 31, 2026
Retailer 11£155 GBP
Retailer 10£172 GBP
Retailer 13£231 GBP
Retailer 2£308 GBP
Retailer 7£316 GBP
Retailer 12£338 GBP
Retailer 8£422 GBP
Retailer 9£508 GBP
Retailer 4£563 GBP
Retailer 3£592 GBP
Retailer 6£807 GBP
Brilliant Earth£828 GBP
Retailer 5£61,324 GBP

42 data points across 13 retailers

11 retailers£155 GBP to £828 GBP

A
Cheapest Retailer
-
£155 GBP
$208 USD
Final sale: no returns
A
Retailer 2
-
£172 GBP
$230 USD
View
B+
Retailer 3
-
£231 GBP
$310 USD
View
A
Retailer 4
-
£308 GBP
View
A
Retailer 5
-
£316 GBP
€403 EUR
View
A
Retailer 6
-
£338 GBP
$453 USD
View
B+
Retailer 7
-
£422 GBP
$565 USD
View
Retailer 8
-
£508 GBP
$680 USD
View
Price last confirmed 26 days ago
B
Retailer 9
-
£592 GBP
$793 USD
View
B
Retailer 10
-
£807 GBP
View
Most Expensive
B
Brilliant Earth
21313013A · Oct 28
£828 GBP
$1,110 USD
View
10 more retailers have this diamond
Prices start from £155 GBPSave up to £673 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
£155 GBP