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 $815 USD
£642 GBP
As of October 28, 2026
1 retailer carries this diamond
Only listing: $815 USD 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: $160 USD|Low: $160 USD|High: $95,066 USD|Avg: $895 USD
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June 13, 2026
Retailer 1$160 USD
Retailer 7$282 USD
Retailer 14$377 USD
Retailer 17$383 USD
Retailer 16$405 USD
Retailer 15$436 USD
Retailer 4$553 USD
Retailer 12$574 USD
Retailer 5$647 USD
Retailer 6$734 USD
Retailer 9$753 USD
Retailer 3$814 USD
Retailer 8$821 USD
Retailer 13$829 USD
Retailer 11$979 USD
Retailer 2$1,149 USD
Retailer 10$1,440 USD

41 data points across 17 retailers

1 retailer

B
Diamond Quarter
1.21VVS1ELG044CA0N · Oct 28
$815 USD
£642 GBP
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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.

B
1.21ct Radiant
$815 USD