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Radiant|Lab Grown|IGI

1.29ct H VS1 Radiant Lab Grown Diamond

EX • H/VS1 • IGI LG653426051

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

Certificate IGI LG653426051

Diamond specifications and retailer prices

From $638 USD
£502 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: $638 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 1.29ct lab-grown radiant diamond

This 1.29ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG653426051 or 653426051. Listed at a single retailer as of November 2, 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

1.29
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653426051
Dimensions7.85 × 5.24 × 3.57 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.85 mm5.24 mm1.29 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653426051
Side View
Table 66.0%Crown 43.2°Girdle: Slightly ThickPavilion 35.6°CuletDepth 68.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $638 USD|Low: $638 USD|High: $638 USD|Avg: $638 USD
September 26, 2026
Diamond Quarter$638 USD

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
1.29VS1HLG51C968N · Nov 2
$638 USD
£502 GBP
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B
1.29ct Radiant
$638 USD