Radiant|Lab Grown|IGI

1.21ct E VS2 Radiant Lab Grown Diamond

ID • E/VS2 • IGI LG631404434

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

Certificate IGI LG631404434

Diamond specifications and retailer prices

From $594 USD
£468 GBP
As of October 29, 2026
2 retailers carry this diamond
Most expensive: $670 USD at Rare Carat · As of July 27, 2026
View at Rare Carat

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG631404434 or 631404434. Listed at 2 retailers as of October 29, 2026. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.1°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631404434
Dimensions7.56 × 5.29 × 3.59 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.56 mm5.29 mm1.21 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631404434
Side View
Table 68.0%Crown 30.1°Girdle: Slightly ThickPavilion 35.9°Culet: NoneDepth 67.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $670 USD|Low: $116 USD|High: $1,234 USD|Avg: $693 USD|-3.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
July 27, 2026
Retailer 2$116 USD
Retailer 4$294 USD
Retailer 6$369 USD
Retailer 9$596 USD
Rare Carat$670 USD
Retailer 8$810 USD
Retailer 3$821 USD
Retailer 5$867 USD
Retailer 7$1,082 USD

75 data points across 9 retailers

2 retailers

B+
Cheapest Retailer
-
$594 USD
£468 GBP
Most Expensive
Rare Carat
LG215742 · Jul 27
$670 USD
View
Price last confirmed 95 days ago
1 more retailer has this diamond
Prices start from $594 USD

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
$594 USD