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Radiant|Lab Grown|IGI

1.21ct F VS2 Radiant Lab Grown Diamond

VG • F/VS2 • IGI LG604302681

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

Certificate IGI LG604302681

Diamond specifications and retailer prices

From $404 USD
As of November 2, 2026
Save $158 USD (28%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $562 USD at Diamond Quarter · As of November 2, 2026
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 F colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG604302681 or 604302681. Listed at 2 retailers as of November 2, 2026, with prices from $404 to $562, a $158 spread on the same certified stone. Diamond Quarter lists it at $562. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
F
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle31°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604302681
Dimensions7.62 × 5.32 × 3.33 mm
L/W Ratio1.43
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
7.62 mm5.32 mm1.21 ctF / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604302681
Side View
Table 59.0%Crown 40°Girdle: MediumPavilion 31°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $404 USD|Low: $397 USD|High: $1,290 USD|Avg: $915 USD|-9.6%
Retailer 1
Retailer 2
September 23, 2026
Retailer 1$404 USD
Retailer 2$1,290 USD

4 data points across 2 retailers

2 retailers$404 USD to $562 USD

A
Cheapest Retailer
-
$404 USD
Most Expensive
B
Diamond Quarter
1.21VS2FLG813E16N · Nov 2
$562 USD
£443 GBP
View
1 more retailer has this diamond
Prices start from $404 USDSave up to $158 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.

A
1.21ct Radiant
$404 USD