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Radiant|Lab Grown|IGI

1.51ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG779603222

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

Certificate IGI LG779603222

Diamond specifications and retailer prices

From $1,500 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $1,500 USD at Brilliant Earth
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 Brilliant Earth

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG779603222 or 779603222. Listed at a single retailer as of October 31, 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

1.51
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.2°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779603222
Dimensions7.97 × 5.52 × 3.85 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.97 mm5.52 mm1.51 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779603222
Side View
Table 64.0%Crown 48.2°Girdle: THK-VTKPavilion 35.8°Culet: NoneDepth 69.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $1,500 USD|Low: $294 USD|High: $1,500 USD|Avg: $453 USD
Brilliant Earth
Retailer 2
Retailer 3
April 14, 2026
Retailer 3$294 USD
Retailer 2$311 USD
Brilliant Earth$1,500 USD

4 data points across 3 retailers

1 retailer

B
Brilliant Earth
17890045A · Oct 31
$1,500 USD
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B
1.51ct Radiant
$1,500 USD