Marquise|Lab Grown|IGI

1.04ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG777622017

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG777622017

Diamond specifications and retailer prices

From $650 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $650 USD 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 1.04ct lab-grown marquise diamond

This 1.04ct 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 LG777622017 or 777622017. Listed at a single retailer as of October 28, 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

1.04
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777622017
Dimensions10.63 × 5.22 × 3.30 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizePointed
Top View
10.63 mm5.22 mm1.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777622017
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: $650 USD|Low: $187 USD|High: $699 USD|Avg: $426 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
April 14, 2026
Retailer 3$187 USD
Retailer 7$322 USD
Retailer 5$368 USD
Retailer 2$408 USD
Retailer 6$520 USD
Brilliant Earth$650 USD
Retailer 4$692 USD

9 data points across 7 retailers

1 retailer

B
Brilliant Earth
17994292A · Oct 28
$650 USD
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B
1.04ct Marquise
$650 USD