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Cushion|Lab Grown|IGI

1.11ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG621494153

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG621494153

Diamond specifications and retailer prices

From £121 GBP
As of November 4, 2026
Save £503 GBP (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £624 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.11ct lab-grown cushion diamond

This 1.11ct lab-grown cushion sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621494153 or 621494153. Listed at 13 retailers as of November 2, 2026, with prices from £121 to £624, a £503 spread on the same certified stone. MOH London lists it at £624. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.11
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621494153
Dimensions6.05 × 5.80 × 3.87 mm
L/W Ratio1.04
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 Faint Blue
Top View
6.05 mm5.80 mm1.11 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621494153
Side View
Table 61.0%Crown 34.5°Girdle: MED-THKPavilion 36.2°Culet: NoneDepth 66.7%

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: Nov 4
Current: £624 GBP|Low: £101 GBP|High: £813 GBP|Avg: £371 GBP|-15.0%
MOH London
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
November 2, 2026
Retailer 13£121 GBP
Retailer 10£133 GBP
Retailer 7£230 GBP
Retailer 12£247 GBP
Retailer 9£260 GBP
Retailer 8£267 GBP
Retailer 14£279 GBP
Retailer 5£360 GBP
Retailer 3£373 GBP
Retailer 2£398 GBP
Retailer 4£470 GBP
Retailer 11£489 GBP
MOH London£624 GBP
Retailer 6£813 GBP

27 data points across 14 retailers

13 retailers£121 GBP to £624 GBP

A
Cheapest Retailer
-
£121 GBP
Final sale: no returns
Retailer 2
-
£133 GBP
View
Price last confirmed 10 days ago
A
Retailer 3
-
£230 GBP
View
A
Retailer 4
-
£247 GBP
View
A
Retailer 5
-
£260 GBP
View
A
Retailer 6
-
£267 GBP
View
A
Retailer 7
-
£279 GBP
View
Retailer 8
-
£360 GBP
View
Price last confirmed 45 days ago
A
Retailer 9
-
£373 GBP
View
B+
Retailer 10
-
£398 GBP
View
B+
Retailer 11
-
£470 GBP
View
B+
Retailer 12
-
£489 GBP
View
Most Expensive
B+
MOH London
LG621494153 · Nov 2
£624 GBP
View
12 more retailers have this diamond
Prices start from £121 GBPSave up to £503 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
1.11ct Cushion
£121 GBP