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Marquise|Lab Grown|IGI

1.00ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG514252450

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG514252450

Diamond specifications and retailer prices

From €546 EUR
$610 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: €546 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 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG514252450 or 514252450. Listed at a single retailer as of November 6, 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

1.00
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514252450
Dimensions10.02 × 5.24 × 3.24 mm
L/W Ratio1.91
Girdle conditionFaceted
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
10.02 mm5.24 mm1.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514252450
Side View
Table 60.5%Crown 33.4°Girdle: THK-VTKPavilion 39.1°Culet: NoneDepth 61.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: €546 EUR|Low: €430 EUR|High: €2,217 EUR|Avg: €1,255 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
July 13, 2026
Retailer 2€430 EUR
Brilliant Earth€546 EUR
Retailer 9€610 EUR
Retailer 3€784 EUR
Retailer 5€906 EUR
Retailer 8€1,051 EUR
Retailer 6€1,070 EUR
Retailer 7€1,596 EUR
Retailer 10€1,790 EUR
Retailer 4€2,041 EUR

81 data points across 10 retailers

1 retailer

B
Brilliant Earth
19748944A · Nov 6
€546 EUR
$610 USD
View

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
1.00ct Marquise
€546 EUR