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Princess|Lab Grown|IGI

1.01ct F SI1 Princess Lab Grown Diamond

EX • F/SI1 • IGI LG851605136

Shape and cutting style on the report: Princess cut

Certificate IGI LG851605136

Diamond specifications and retailer prices

From €281 EUR
£248 GBP
As of November 2, 2026
Save €218 EUR (44%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €499 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.01ct lab-grown princess diamond

This 1.01ct 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 LG851605136 or 851605136. Listed at 2 retailers as of November 2, 2026, with prices from €281 to €499, a €218 spread on the same certified stone. Brilliant Earth lists it at €499. 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

1.01
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851605136
Dimensions5.53 × 5.51 × 3.85 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.53 mm5.51 mm1.01 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851605136
Side View
Table 67.0%Crown 43°Girdle: MediumPavilion 38.2°Culet: NoneDepth 69.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €499 EUR|Low: €279 EUR|High: €499 EUR|Avg: €390 EUR
Brilliant Earth
Retailer 2
November 2, 2026
Retailer 2€281 EUR
Brilliant Earth€499 EUR

4 data points across 2 retailers

2 retailers€281 EUR to €499 EUR

A
Cheapest Retailer
-
€281 EUR
£248 GBP
Most Expensive
B
Brilliant Earth
22363724A · Nov 2
€499 EUR
$560 USD
View
1 more retailer has this diamond
Prices start from €281 EURSave up to €218 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
1.01ct Princess
€281 EUR