Radiant|Lab Grown|IGI

1.21ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG644486804

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

Certificate IGI LG644486804

Diamond specifications and retailer prices

From €730 EUR
£642 GBP
As of October 28, 2026
1 retailer carries this diamond
Only listing: €730 EUR 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 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG644486804 or 644486804. 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

1.21
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644486804
Dimensions7.66 × 5.32 × 3.46 mm
L/W Ratio1.44
Culet sizePointed
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
7.66 mm5.32 mm1.21 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644486804
Side View
Table 64.0%Crown 42.2°Girdle: MED-STKPavilion 33.6°Culet: NoneDepth 65.0%

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: €143 EUR|Low: €143 EUR|High: €85,093 EUR|Avg: €801 EUR
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June 13, 2026
Retailer 1€143 EUR
Retailer 7€252 EUR
Retailer 14€337 EUR
Retailer 17€343 EUR
Retailer 16€363 EUR
Retailer 15€390 EUR
Retailer 4€495 EUR
Retailer 12€514 EUR
Retailer 5€579 EUR
Retailer 6€657 EUR
Retailer 9€674 EUR
Retailer 3€729 EUR
Retailer 8€735 EUR
Retailer 13€742 EUR
Retailer 11€876 EUR
Retailer 2€1,029 EUR
Retailer 10€1,289 EUR

41 data points across 17 retailers

1 retailer

B
Diamond Quarter
1.21VVS1ELG044CA0N · Oct 28
€730 EUR
£642 GBP
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B
1.21ct Radiant
€730 EUR