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Princess|Lab Grown|IGI

1.71ct F SI1 Princess Lab Grown Diamond

EX • F/SI1 • IGI LG678523456

Shape and cutting style on the report: Princess cut

Certificate IGI LG678523456

Diamond specifications and retailer prices

From €541 EUR
$607 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: €541 EUR at B2C Jewels
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 B2C Jewels

About this 1.71ct lab-grown princess diamond

This 1.71ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678523456 or 678523456. Listed at a single retailer as of November 2, 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

1.71
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678523456
Dimensions6.73 × 6.52 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.73 mm6.52 mm1.71 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678523456
Side View
Table 67.0%Crown 40.2°Girdle: ThinPavilion 37.5°Culet: NoneDepth 68.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: €541 EUR|Low: €527 EUR|High: €808 EUR|Avg: €624 EUR|-33.0%
September 23, 2026
B2C Jewels€541 EUR

4 data points across 1 retailer

1 retailer

B+
B2C Jewels
29052227 · Nov 2
€541 EUR
$607 USD
View

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B+
1.71ct Princess
€541 EUR