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Cushion|Lab Grown|IGI

1.05ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG800670804

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG800670804

Diamond specifications and retailer prices

From £112 GBP
As of November 4, 2026
Save £931 GBP (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,042 GBP at MOH London · As of November 4, 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 LG800670804 or 800670804. Listed at 12 retailers as of November 4, 2026, with prices from £112 to £1,042, a £931 spread on the same certified stone. MOH London lists it at £1,042. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800670804
Dimensions7.30 × 5.36 × 3.55 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm5.36 mm1.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800670804
Side View
Table 60.0%Crown 36.3°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,042 GBP|Low: £112 GBP|High: £1,056 GBP|Avg: £358 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 10£112 GBP
Retailer 8£125 GBP
Retailer 2£156 GBP
Retailer 6£215 GBP
Retailer 9£235 GBP
Retailer 7£237 GBP
Retailer 12£253 GBP
Retailer 5£304 GBP
Retailer 11£364 GBP
Retailer 4£442 GBP
Retailer 3£654 GBP
MOH London£1,042 GBP

34 data points across 12 retailers

12 retailers£112 GBP to £1,042 GBP

A
Cheapest Retailer
-
£112 GBP
Final sale: no returns
Retailer 2
-
£125 GBP
View
Price last confirmed 10 days ago
A
Retailer 3
-
£156 GBP
View
A
Retailer 4
-
£215 GBP
View
A
Retailer 5
-
£235 GBP
View
A
Retailer 6
-
£237 GBP
View
A
Retailer 7
-
£253 GBP
View
A
Retailer 8
-
£304 GBP
View
A
Retailer 9
-
£364 GBP
View
B+
Retailer 10
-
£442 GBP
View
Retailer 11
-
£654 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG800670804 · Nov 2
£1,042 GBP
View
11 more retailers have this diamond
Prices start from £112 GBPSave up to £931 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
£112 GBP