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Cushion|Lab Grown|IGI

1.20ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG828671647

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG828671647

Diamond specifications and retailer prices

From £189 GBP
$252 USD
As of October 28, 2026
Save £1,440 GBP (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,630 GBP at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

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 LG828671647 or 828671647. Listed at 14 retailers as of October 28, 2026, with prices from £189 to £1,630, a £1,440 spread on the same certified stone. Do Amore Diamonds lists it at £1,630. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828671647
Dimensions7.40 × 5.69 × 3.69 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm5.69 mm1.20 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828671647
Side View
Table 63.0%Crown 34°Girdle: MED-THKPavilion 37.5°Culet: NoneDepth 64.9%

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: Oct 28
Current: £1,630 GBP|Low: £189 GBP|High: £1,742 GBP|Avg: £577 GBP|+23.3%
Do Amore Diamonds
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
October 29, 2026
Retailer 14£189 GBP
Retailer 4£222 GBP
Retailer 13£256 GBP
Retailer 11£281 GBP
Retailer 5£364 GBP
Retailer 7£398 GBP
Retailer 2£441 GBP
Retailer 6£507 GBP
Retailer 9£558 GBP
Retailer 8£564 GBP
Retailer 3£874 GBP
Retailer 10£931 GBP
Retailer 12£957 GBP
Do Amore Diamonds£1,630 GBP

40 data points across 14 retailers

14 retailers£189 GBP to £1,630 GBP

A
Cheapest Retailer
-
£189 GBP
$252 USD
Final sale: no returns
A
Retailer 2
-
£222 GBP
$296 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
£256 GBP
$341 USD
View
A
Retailer 4
-
£281 GBP
$374 USD
View
B+
Retailer 5
-
£398 GBP
ZAR 8,571 ZAR
View
B+
Retailer 6
-
£441 GBP
View
B+
Retailer 7
-
£507 GBP
$675 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
£558 GBP
A$1,144 AUD
View
B+
Retailer 9
-
£564 GBP
A$1,156 AUD
View
B
Retailer 10
-
£874 GBP
$1,164 USD
View
B
Retailer 11
-
£931 GBP
View
B
Retailer 12
-
£957 GBP
$1,275 USD
View
B
Retailer 13
-
£1,322 GBP
$1,760 USD
View
Most Expensive
B
Do Amore Diamonds
27-80976C256 · Oct 28
£1,630 GBP
$2,170 USD
View
13 more retailers have this diamond
Prices start from £189 GBPSave up to £1,440 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
£189 GBP