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Princess|Lab Grown|IGI

1.09ct F SI1 Princess Lab Grown Diamond

ID • F/SI1 • IGI LG754510292

Shape and cutting style on the report: Princess cut

Certificate IGI LG754510292

Diamond specifications and retailer prices

From £453 GBP
$610 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: £453 GBP 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 1.09ct lab-grown princess diamond

This 1.09ct 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 LG754510292 or 754510292. 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

1.09
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754510292
Dimensions5.62 × 5.59 × 3.89 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.62 mm5.59 mm1.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754510292
Side View
Table 68.0%Crown 43.9°Girdle: MediumPavilion 37.2°Culet: NoneDepth 69.6%

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: £453 GBP|Low: £96 GBP|High: £758 GBP|Avg: £376 GBP|-4.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
August 3, 2026
Retailer 6£229 GBP
Retailer 4£256 GBP
Retailer 7£265 GBP
Retailer 8£266 GBP
Retailer 2£292 GBP
Retailer 5£374 GBP
Brilliant Earth£453 GBP
Retailer 3£457 GBP
Retailer 9£509 GBP

74 data points across 9 retailers

1 retailer

B
Brilliant Earth
18038325A · Nov 6
£453 GBP
$610 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
1.09ct Princess
£453 GBP