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Princess|Lab Grown|IGI

1.09ct E SI1 Princess Lab Grown Diamond

EX • E/SI1 • IGI LG841675524

Shape and cutting style on the report: Princess cut

Certificate IGI LG841675524

Diamond specifications and retailer prices

From €286 EUR
£252 GBP
As of October 27, 2026
Save €260 EUR (48%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €546 EUR at Brilliant Earth · As of October 26, 2026
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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG841675524 or 841675524. Listed at 2 retailers as of October 26, 2026, with prices from €286 to €546, a €260 spread on the same certified stone. Brilliant Earth lists it at €546. 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
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841675524
Dimensions5.71 × 5.64 × 3.87 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.71 mm5.64 mm1.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841675524
Side View
Table 69.0%Crown 42.8°Girdle: MediumPavilion 38.1°Culet: NoneDepth 68.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: €546 EUR|Low: €147 EUR|High: €546 EUR|Avg: €386 EUR
Brilliant Earth
Retailer 2
Retailer 3
October 27, 2026
Retailer 3€147 EUR
Retailer 2€286 EUR
Brilliant Earth€546 EUR

22 data points across 3 retailers

2 retailers€286 EUR to €546 EUR

A
Cheapest Retailer
-
€286 EUR
£252 GBP
Most Expensive
B
Brilliant Earth
21704925A · Oct 26
€546 EUR
$610 USD
View
1 more retailer has this diamond
Prices start from €286 EURSave up to €260 EUR

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.

A
1.09ct Princess
€286 EUR