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Marquise|Lab Grown|IGI

5.00ct G SI1 Marquise Lab Grown Diamond

G/SI1 • IGI LG571386617

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG571386617

Diamond specifications and retailer prices

From €2,946 EUR
$3,291 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: €2,946 EUR at B2C Jewels
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 B2C Jewels

About this 5ct lab-grown marquise diamond

This 5ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included) and certified by IGI LG571386617 or 571386617. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.00
Carat
G
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571386617
Dimensions17.17 × 8.97 × 5.64 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
17.17 mm8.97 mm5.00 ctG / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571386617
Side View
Table 61.0%Crown 37.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.9%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 1
Current: €2,946 EUR|Low: €2,279 EUR|High: €2,946 EUR|Avg: €2,452 EUR|+4.3%
B2C Jewels
Retailer 2
September 23, 2026
Retailer 2€2,279 EUR
B2C Jewels€2,946 EUR

5 data points across 2 retailers

1 retailer

C
B2C Jewels
22045848 · Nov 1
€2,946 EUR
$3,291 USD
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C
5.00ct Marquise
€2,946 EUR