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Cushion|Lab Grown|IGI

1.21ct E VVS2 Cushion Lab Grown Diamond

ID • E/VVS2 • IGI LG843683563

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843683563

Diamond specifications and retailer prices

From £176 GBP
As of November 4, 2026
Save £831 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,007 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843683563 or 843683563. Listed at 19 retailers as of November 4, 2026, with prices from £176 to £1,007, a £831 spread on the same certified stone. Brilliant Earth lists it at £1,007. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle28.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843683563
Dimensions7.45 × 5.34 × 3.42 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm5.34 mm1.21 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843683563
Side View
Table 62.0%Crown 37.3°Girdle: STK-VTKPavilion 28.9°Culet: NoneDepth 64.0%

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 4
Current: £357 GBP|Low: £176 GBP|High: £913 GBP|Avg: £440 GBP|+1.5%
Retailer 1
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Retailer 19
November 5, 2026
Retailer 9£176 GBP
Retailer 5£196 GBP
Retailer 3£218 GBP
Retailer 4£240 GBP
Retailer 10£263 GBP
Retailer 17£316 GBP
Retailer 16£336 GBP
Retailer 19£354 GBP
Retailer 1£357 GBP
Retailer 7£375 GBP
Retailer 14£477 GBP
Retailer 13£514 GBP
Retailer 15£537 GBP
Retailer 18£561 GBP
Retailer 11£633 GBP
Retailer 8£667 GBP
Retailer 6£668 GBP
Retailer 12£779 GBP
Retailer 2£913 GBP

21 data points across 19 retailers

19 retailers£176 GBP to £1,007 GBP

A
Cheapest Retailer
-
£176 GBP
Final sale: no returns
Retailer 2
-
£196 GBP
View
Price last confirmed 11 days ago
A
Retailer 3
-
£218 GBP
View
B+
Retailer 4
-
£263 GBP
View
A
Retailer 5
-
£316 GBP
View
A
Retailer 6
-
£336 GBP
View
A
Retailer 7
-
£354 GBP
View
A
Retailer 8
-
£357 GBP
View
A
Retailer 9
-
£375 GBP
View
B+
Retailer 10
-
£477 GBP
View
B+
Retailer 11
-
£514 GBP
View
B+
Retailer 12
-
£537 GBP
View
Retailer 13
-
£561 GBP
View
Price last confirmed 11 days ago
B+
Retailer 14
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£633 GBP
View
B
Retailer 15
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£667 GBP
View
B
Retailer 16
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£668 GBP
View
B
Retailer 17
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£779 GBP
View
B
Retailer 18
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£913 GBP
View
Most Expensive
B
Brilliant Earth
22139079A · Nov 4
£1,007 GBP
$1,360 USD
View
18 more retailers have this diamond
Prices start from £176 GBPSave up to £831 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
1.21ct Cushion
£176 GBP