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Cushion|Lab Grown|IGI

1.05ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG512223477

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG512223477

Diamond specifications and retailer prices

From £172 GBP
As of November 1, 2026
Save £471 GBP (73%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £644 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct lab-grown cushion diamond

This 1.05ct 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 LG512223477 or 512223477. Listed at 6 retailers as of November 1, 2026, with prices from £172 to £644, a £471 spread on the same certified stone. MOH London lists it at £644. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512223477
Dimensions6.68 × 5.31 × 3.72 mm
L/W Ratio1.26
Girdle conditionFaceted
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
6.68 mm5.31 mm1.05 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512223477
Side View
Table 63.5%Crown 36.1°Girdle: STK-VTKPavilion 37°Culet: NoneDepth 70.1%

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: Nov 1
Current: £644 GBP|Low: £172 GBP|High: £717 GBP|Avg: £412 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3£172 GBP
Retailer 2£238 GBP
Retailer 4£262 GBP
Retailer 5£336 GBP
Retailer 7£385 GBP
Retailer 6£573 GBP
MOH London£644 GBP
Retailer 8£717 GBP

25 data points across 8 retailers

6 retailers£172 GBP to £644 GBP

A
Cheapest Retailer
-
£172 GBP
A
Retailer 2
-
£238 GBP
ZAR 5,145 ZAR
View
A
Retailer 3
-
£262 GBP
View
A
Retailer 4
-
£336 GBP
A$692 AUD
View
B
Retailer 5
-
£573 GBP
$768 USD
View
Most Expensive
B
MOH London
LG512223477 · Nov 1
£644 GBP
View
5 more retailers have this diamond
Prices start from £172 GBPSave up to £471 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
1.05ct Cushion
£172 GBP