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Cushion|Lab Grown|IGI

1.20ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG769670541

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG769670541

Diamond specifications and retailer prices

From £161 GBP
$216 USD
As of October 28, 2026
Save £1,137 GBP (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,299 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.2ct lab-grown cushion diamond

This 1.2ct 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 LG769670541 or 769670541. Listed at 18 retailers as of October 27, 2026, with prices from £161 to £1,299, a £1,137 spread on the same certified stone. Queensmith lists it at £1,299. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769670541
Dimensions7.41 × 5.60 × 3.47 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.41 mm5.60 mm1.20 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769670541
Side View
Table 59.0%Crown 32°Girdle: MED-THKPavilion 33.3°Culet: NoneDepth 62.0%

Caratlytics Score

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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 28
Current: £387 GBP|Low: £161 GBP|High: £874 GBP|Avg: £431 GBP
Retailer 1
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
Retailer 15
October 31, 2026
Retailer 4£161 GBP
Retailer 2£179 GBP
Retailer 8£224 GBP
Retailer 11£240 GBP
Retailer 10£306 GBP
Retailer 12£307 GBP
Retailer 9£326 GBP
Retailer 1£387 GBP
Retailer 7£418 GBP
Retailer 13£436 GBP
Retailer 3£458 GBP
Retailer 6£496 GBP
Retailer 15£523 GBP
Retailer 14£837 GBP
Retailer 5£874 GBP

39 data points across 15 retailers

18 retailers£161 GBP to £1,299 GBP

A
Cheapest Retailer
-
£161 GBP
$216 USD
Final sale: no returns
A
Retailer 2
-
£179 GBP
$240 USD
View
A
Retailer 3
-
£224 GBP
View
B+
Retailer 4
-
£240 GBP
$322 USD
View
A
Retailer 5
-
£306 GBP
€390 EUR
View
A
Retailer 6
-
£307 GBP
ZAR 6,644 ZAR
View
A
Retailer 7
-
£321 GBP
$430 USD
View
A
Retailer 8
-
£326 GBP
View
B+
Retailer 9
-
£387 GBP
A$798 AUD
View
B+
Retailer 10
-
£418 GBP
$560 USD
View
B+
Retailer 11
-
£436 GBP
A$899 AUD
View
B+
Retailer 12
-
£458 GBP
$613 USD
View
Retailer 13
-
£496 GBP
$665 USD
View
Price last confirmed 25 days ago
B+
Retailer 14
-
£523 GBP
A$1,078 AUD
View
B
Retailer 15
-
£615 GBP
$824 USD
View
B
Retailer 16
-
£837 GBP
View
B
Retailer 17
-
£874 GBP
$1,172 USD
View
Most Expensive
B
Queensmith
LG769670541 · Oct 27
£1,299 GBP
View
17 more retailers have this diamond
Prices start from £161 GBPSave up to £1,137 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
1.20ct Cushion
£161 GBP