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Marquise|Lab Grown|IGI

1.06ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG803679823

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803679823

Diamond specifications and retailer prices

From €573 EUR
$640 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €573 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 1.06ct lab-grown marquise diamond

This 1.06ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG803679823 or 803679823. 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

1.06
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803679823
Dimensions10.87 × 5.21 × 3.27 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.87 mm5.21 mm1.06 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803679823
Side View
Table 63.0%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.8%

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: €573 EUR|Low: €317 EUR|High: €913 EUR|Avg: €466 EUR|-37.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
July 27, 2026
Retailer 3€317 EUR
Retailer 2€383 EUR
Retailer 5€397 EUR
Retailer 4€439 EUR
Brilliant Earth€573 EUR

23 data points across 5 retailers

1 retailer

B
Brilliant Earth
20020497A · Oct 31
€573 EUR
$640 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
1.06ct Marquise
€573 EUR