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Cushion|Lab Grown|IGI

1.51ct G VVS1 Cushion Lab Grown Diamond

ID • G/VVS1 • IGI LG578320300

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG578320300

Diamond specifications and retailer prices

From €1,728 EUR
$1,930 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €1,728 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 cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG578320300 or 578320300. 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
G
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578320300
Dimensions6.74 × 6.74 × 4.36 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
6.74 mm6.74 mm1.51 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578320300
Side View
Table 63.0%Crown 34°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 64.7%

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: €1,728 EUR|Low: €1,728 EUR|High: €1,728 EUR|Avg: €1,728 EUR
December 30, 2025
Brilliant Earth€1,728 EUR

4 data points across 1 retailer

1 retailer

B
Brilliant Earth
7219048B · Oct 31
€1,728 EUR
$1,930 USD
View

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B
1.51ct Cushion
€1,728 EUR