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Radiant|Lab Grown|IGI

1.25ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG618454555

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG618454555

Diamond specifications and retailer prices

From £630 GBP
As of October 28, 2026
1 retailer carries this diamond
Only listing: £630 GBP at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.25ct lab-grown radiant diamond

This 1.25ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG618454555 or 618454555. Listed at a single retailer as of October 28, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618454555
Dimensions7.50 × 5.44 × 3.63 mm
L/W Ratio1.38
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.50 mm5.44 mm1.25 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618454555
Side View
Table 62.0%Crown 40.7°Girdle: Slightly ThickPavilion 34.5°Culet: NoneDepth 66.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: £583 GBP|Low: £372 GBP|High: £1,562 GBP|Avg: £772 GBP|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
March 23, 2026
Retailer 3£372 GBP
Retailer 2£408 GBP
Retailer 4£574 GBP
Retailer 1£583 GBP
Retailer 6£671 GBP
Retailer 7£1,007 GBP
Retailer 5£1,562 GBP

41 data points across 7 retailers

1 retailer

B
Diamond Quarter
1.25VVS1ELG55C61AN · Oct 28
£630 GBP
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B
1.25ct Radiant
£630 GBP