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Cushion|Lab Grown|IGI

1.05ct J VS1 Cushion Lab Grown Diamond

ID • J/VS1 • IGI LG817653447

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG817653447

Diamond specifications and retailer prices

From £359 GBP
As of November 1, 2026
Save £1,220 GBP (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,579 GBP at MOH London · As of November 3, 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817653447 or 817653447. Listed at 10 retailers as of November 1, 2026, with prices from £359 to £1,579, a £1,220 spread on the same certified stone. MOH London lists it at £1,579. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817653447
Dimensions7.03 × 5.60 × 3.69 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.03 mm5.60 mm1.05 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817653447
Side View
Table 58.0%Crown 35°Girdle: STK-THKPavilion 39.8°Culet: LargeDepth 65.9%

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: £1,579 GBP|Low: £346 GBP|High: £1,971 GBP|Avg: £769 GBP|+8.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6£359 GBP
Retailer 3£430 GBP
Retailer 7£466 GBP
Retailer 10£527 GBP
Retailer 5£534 GBP
Retailer 2£622 GBP
Retailer 9£635 GBP
Retailer 4£741 GBP
Retailer 8£1,042 GBP
Retailer 11£1,288 GBP
MOH London£1,579 GBP

27 data points across 11 retailers

10 retailers£359 GBP to £1,579 GBP

A
Cheapest Retailer
-
£359 GBP
A
Retailer 2
-
£430 GBP
View
Retailer 3
-
£466 GBP
View
Price last confirmed 22 days ago
B+
Retailer 4
-
£527 GBP
View
B+
Retailer 5
-
£534 GBP
View
B+
Retailer 6
-
£622 GBP
View
B+
Retailer 7
-
£635 GBP
View
B+
Retailer 8
-
£741 GBP
View
B
Retailer 9
-
£1,042 GBP
View
Most Expensive
B
MOH London
LG817653447 · Nov 3
£1,579 GBP
View
9 more retailers have this diamond
Prices start from £359 GBPSave up to £1,220 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
£359 GBP