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Princess|Lab Grown|IGI

1.20ct F SI1 Princess Lab Grown Diamond

ID • F/SI1 • IGI LG592319857

Shape and cutting style on the report: Princess cut

Certificate IGI LG592319857

Diamond specifications and retailer prices

From $1,033 CAD
$740 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: $1,033 CAD 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 1.2ct lab-grown princess diamond

This 1.2ct lab-grown princess 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 LG592319857 or 592319857. Listed at a single retailer as of November 6, 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

1.20
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG592319857
Dimensions5.79 × 5.76 × 4.12 mm
L/W Ratio1.01
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
5.79 mm5.76 mm1.20 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG592319857
Side View
Table 72.0%Crown 43.6°Girdle: MediumPavilion 38.6°Culet: NoneDepth 71.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $1,033 CAD|Low: $890 CAD|High: $1,103 CAD|Avg: $971 CAD
Brilliant Earth
Retailer 2
April 14, 2026
Retailer 2$890 CAD
Brilliant Earth$1,033 CAD

8 data points across 2 retailers

1 retailer

B
Brilliant Earth
7806903Y · Nov 6
$1,033 CAD
$740 USD
View

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B
1.20ct Princess
$1,033 CAD