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Cushion|Lab Grown|IGI

1.05ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG774650915

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG774650915

Diamond specifications and retailer prices

From £173 GBP
$231 USD
As of October 30, 2026
Save £841 GBP (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,015 GBP at Taylor and Hart · As of October 29, 2026
View at Taylor and Hart

About this 1.05ct lab-grown cushion diamond

This 1.05ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG774650915 or 774650915. Listed at 10 retailers as of October 29, 2026, with prices from £173 to £1,015, a £841 spread on the same certified stone. Taylor and Hart lists it at £1,015. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774650915
Dimensions7.45 × 5.13 × 3.44 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm5.13 mm1.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774650915
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 67.1%

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: Oct 30
Current: £242 GBP|Low: £173 GBP|High: £1,015 GBP|Avg: £485 GBP|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
October 30, 2026
Retailer 6£173 GBP
Retailer 1£242 GBP
Retailer 9£265 GBP
Retailer 5£326 GBP
Retailer 7£333 GBP
Retailer 2£355 GBP
Retailer 3£472 GBP
Retailer 8£655 GBP
Retailer 4£774 GBP
Taylor and Hart£1,015 GBP

42 data points across 10 retailers

10 retailers£173 GBP to £1,015 GBP

A
Cheapest Retailer
-
£173 GBP
$231 USD
Final sale: no returns
A
Retailer 2
-
£242 GBP
View
A
Retailer 3
-
£265 GBP
$353 USD
View
Retailer 4
-
£326 GBP
ZAR 7,016 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£333 GBP
$444 USD
View
B+
Retailer 6
-
£355 GBP
View
B+
Retailer 7
-
£472 GBP
A$966 AUD
View
B
Retailer 8
-
£655 GBP
SGD 1,179 SGD
View
B
Retailer 9
-
£774 GBP
View
Most Expensive
B
Taylor and Hart
2ZKIPXA · Oct 29
£1,015 GBP
$1,351 USD
View
9 more retailers have this diamond
Prices start from £173 GBPSave up to £841 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
£173 GBP