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Marquise|Lab Grown|IGI

1.05ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG851608075

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851608075

Diamond specifications and retailer prices

From $349 CAD
$250 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $349 CAD at Loose Grown Diamond
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 Loose Grown Diamond

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG851608075 or 851608075. Listed at a single retailer as of October 30, 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

1.05
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851608075
Dimensions10.86 × 5.30 × 3.32 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.86 mm5.30 mm1.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851608075
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.1°CuletDepth 62.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $349 CAD|Low: $349 CAD|High: $349 CAD|Avg: $349 CAD
October 30, 2026
Loose Grown Diamond$349 CAD

1 data point across 1 retailer

1 retailer

B
Loose Grown Diamond
851608075 · Oct 30
$349 CAD
$250 USD
View

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B
1.05ct Marquise
$349 CAD