Cushion|Lab Grown|IGI

1.21ct F VVS2 Cushion Lab Grown Diamond

EX • F/VVS2

Diamond specifications and retailer prices

From £207 GBP
As of November 2, 2026
Save £346 GBP (63%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £553 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of November 2, 2026, with prices from £207 to £553, a £346 spread on the same certified stone. Blue Nile lists it at £553. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.18 × 6.13 × 0.00 mm
L/W Ratio1.01
Top View
6.18 mm6.13 mm1.21 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 63.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 66.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £553 GBP|Low: £207 GBP|High: £553 GBP|Avg: £369 GBP
Blue Nile
Retailer 2
November 2, 2026
Retailer 2£207 GBP
Blue Nile£553 GBP

39 data points across 2 retailers

2 retailers£207 GBP to £553 GBP

A
Cheapest Retailer
-
£207 GBP
Most Expensive
B
Blue Nile
20359015 · Nov 5
£553 GBP
$744 USD
View
1 more retailer has this diamond
Prices start from £207 GBPSave up to £346 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
£207 GBP