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Radiant|Lab Grown|IGI

1.51ct G SI2 Radiant Lab Grown Diamond

ID • G/SI2 • IGI LG530215467

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

Certificate IGI LG530215467

Diamond specifications and retailer prices

From €788 EUR
$880 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: €788 EUR 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG530215467 or 530215467. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
G
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.8°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530215467
Dimensions7.66 × 5.72 × 3.89 mm
L/W Ratio1.34
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
7.66 mm5.72 mm1.51 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG530215467
Side View
Table 66.5%Crown 40.8°Girdle: Slightly ThickPavilion 32.1°Culet: NoneDepth 68.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: €788 EUR|Low: €788 EUR|High: €2,848 EUR|Avg: €1,719 EUR|-52.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 4, 2026
Brilliant Earth€788 EUR
Retailer 2€979 EUR
Retailer 6€1,438 EUR
Retailer 3€1,865 EUR
Retailer 4€2,106 EUR
Retailer 5€2,574 EUR

19 data points across 6 retailers

1 retailer

B
Brilliant Earth
19772485A · Oct 29
€788 EUR
$880 USD
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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
1.51ct Radiant
€788 EUR