Cushion|Lab Grown|IGI

1.20ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG842622348

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG842622348

Diamond specifications and retailer prices

From £128 GBP
$171 USD
As of October 30, 2026
Save £71 GBP (36%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £560 GBP at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.2ct lab-grown cushion diamond

This 1.2ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG842622348 or 842622348. Listed at 3 retailers as of October 30, 2026, with a 56% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842622348
Dimensions7.52 × 5.42 × 3.71 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.52 mm5.42 mm1.20 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842622348
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 68.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £128 GBP|Low: £128 GBP|High: £285 GBP|Avg: £228 GBP|-2.3%
Retailer 1
Retailer 2
Retailer 3
October 28, 2026
Retailer 1£128 GBP
Retailer 2£199 GBP
Retailer 3£285 GBP

5 data points across 3 retailers

3 retailers£128 GBP to £199 GBP

A
Cheapest Retailer
-
£128 GBP
$171 USD
Final sale: no returns
B+
Retailer 2
-
£199 GBP
$266 USD
View
Most Expensive
Brilliant Earth
21714549A · Oct 8
£560 GBP
$750 USD
View
Price last confirmed 22 days ago
2 more retailers have this diamond
Prices start from £128 GBPSave up to £71 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
£128 GBP