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Marquise|Lab Grown|IGI

3.00ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG605352851

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG605352851

Diamond specifications and retailer prices

From €2,470 EUR
$2,760 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €2,470 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 3ct lab-grown marquise diamond

This 3ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605352851 or 605352851. 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. 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

3.00
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605352851
Dimensions13.37 × 7.67 × 5.00 mm
L/W Ratio1.74
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
13.37 mm7.67 mm3.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605352851
Side View
Table 61.0%Crown 39.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 65.2%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 31
Current: €2,470 EUR|Low: €546 EUR|High: €9,488 EUR|Avg: €2,240 EUR|-44.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
May 23, 2026
Retailer 7€552 EUR
Retailer 6€567 EUR
Retailer 8€591 EUR
Retailer 2€680 EUR
Retailer 3€867 EUR
Retailer 5€1,257 EUR
Retailer 4€2,274 EUR
Brilliant Earth€2,470 EUR

45 data points across 8 retailers

1 retailer

C
Brilliant Earth
8497331A · Oct 31
€2,470 EUR
$2,760 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.

C
3.00ct Marquise
€2,470 EUR