help - comparing two diamonds - time to choose one!

[Lula]

Now it's between these two. But I have a question about all the black near the center of the Idealscope for stone #2. What exactly is causing that? Thoughts, comments, please?

#1

Shape: Round
Carat weight: 0.52
Cut: Hearts & Arrows Ideal
Color: H
Clarity: VVS1
Certificate: AGS
Depth: 60.5%
Table: 55.8%
Polish: Ideal
Symmetry: Ideal
Girdle: Thin to medium
Culet:
Fluorescence: Negligible
Measurements: 5.24*5.26*3.18
Crown Angle: 34.1°
Crown %: 15.00
pavilion Angle: 40.8°
pavilion %: 42.90
stars 55
lower girdles 78
Idealscope is below
#2

Shape: Round
Carat weight: 0.45
Cut: Hearts & Arrows Ideal
Color: D
Clarity: VS2
Certificate: AGS
Depth: 61.0%
Table: 56.7%
Polish: Ideal
Symmetry: Ideal
Girdle: Thin to medium
Culet: None
Fluorescence: Negligible
Measurements: 4.95*4.98*3.03
Crown Angle: 34.5°
Crown %: 14.90
pavilion Angle: 41.0°
pavilion %: 43.30
stars 55
will attach idealscope in separate post
lower girdles 81

 

[Lula]

idealscope for second diamond

 

[Stephan]

nr 1, without hesitation.

 

[Lula]

Number 1 is $500 more than #2. Worth the price diff?