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Cushion|Lab Grown|IGI

1.21ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG618405869

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG618405869

Diamond specifications and retailer prices

From £184 GBP
As of October 30, 2026
Save £871 GBP (83%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,055 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG618405869 or 618405869. Listed at 5 retailers as of October 30, 2026, with prices from £184 to £1,055, a £871 spread on the same certified stone. Do Amore Diamonds lists it at £1,055. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618405869
Dimensions6.16 × 6.11 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.16 mm6.11 mm1.21 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618405869
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 68.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,055 GBP|Low: £130 GBP|High: £1,122 GBP|Avg: £492 GBP|-6.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6£130 GBP
Retailer 2£184 GBP
Retailer 4£250 GBP
Retailer 8£357 GBP
Retailer 5£405 GBP
Retailer 9£543 GBP
Retailer 7£655 GBP
Retailer 3£704 GBP
Do Amore Diamonds£1,055 GBP

28 data points across 9 retailers

5 retailers£184 GBP to £1,055 GBP

A
Cheapest Retailer
-
£184 GBP
B+
Retailer 2
-
£250 GBP
View
Retailer 3
-
£405 GBP
View
Price last confirmed 31 days ago
Retailer 4
-
£704 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-BE9221BC1 · Oct 31
£1,055 GBP
$1,420 USD
View
4 more retailers have this diamond
Prices start from £184 GBPSave up to £871 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
£184 GBP