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Cushion|Lab Grown|IGI

1.21ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG843601003

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843601003

Diamond specifications and retailer prices

From £153 GBP
As of November 4, 2026
Save £833 GBP (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £986 GBP at Michael Trio · As of November 4, 2026
View at Michael Trio

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843601003 or 843601003. Listed at 16 retailers as of November 4, 2026, with prices from £153 to £986, a £833 spread on the same certified stone. Michael Trio lists it at £986. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843601003
Dimensions7.64 × 5.35 × 3.66 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.64 mm5.35 mm1.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843601003
Side View
Table 63.0%Crown 38.9°Girdle: THK-VTKPavilion 34.4°Culet: NoneDepth 68.4%

Caratlytics Score

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A+
Exceptional
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: Nov 4
Current: £986 GBP|Low: £153 GBP|High: £1,016 GBP|Avg: £457 GBP|-3.0%
Michael Trio
Retailer 2
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Retailer 11
Retailer 12
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Retailer 16
November 4, 2026
Retailer 9£153 GBP
Retailer 8£176 GBP
Retailer 2£193 GBP
Retailer 10£230 GBP
Retailer 12£281 GBP
Retailer 16£295 GBP
Retailer 11£304 GBP
Retailer 4£409 GBP
Retailer 15£416 GBP
Retailer 5£425 GBP
Retailer 13£569 GBP
Retailer 14£587 GBP
Retailer 6£719 GBP
Retailer 7£736 GBP
Retailer 3£799 GBP
Michael Trio£986 GBP

15 data points across 16 retailers

16 retailers£153 GBP to £986 GBP

A+
Cheapest Retailer
-
£153 GBP
Final sale: no returns
Retailer 2
-
£176 GBP
View
Price last confirmed 11 days ago
A
Retailer 3
-
£193 GBP
View
B+
Retailer 4
-
£230 GBP
View
A
Retailer 5
-
£281 GBP
View
A
Retailer 6
-
£295 GBP
View
A
Retailer 7
-
£304 GBP
View
A
Retailer 8
-
£409 GBP
View
A
Retailer 9
-
£416 GBP
View
A
Retailer 10
-
£425 GBP
View
B+
Retailer 11
-
£569 GBP
View
B+
Retailer 12
-
£587 GBP
View
Retailer 13
-
£719 GBP
View
Price last confirmed 8 days ago
Retailer 14
-
£736 GBP
View
Price last confirmed 11 days ago
B
Retailer 15
-
£799 GBP
View
Most Expensive
B
Michael Trio
1803229781 · Nov 4
£986 GBP
SGD 1,799 SGD
View
15 more retailers have this diamond
Prices start from £153 GBPSave up to £833 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
£153 GBP