Need advise on buying adimmiond?

[jcwn]

I know these dimmonds are small but they are in the range .4- .5 that my girl freind wants .Whic one is better buy, morte brilliant ,is either one worth buying and she wants it in Solitaire Engagement Setting but what type of gold 14k yellow or 18k yellow.
dimmond 1

Shape: Marquise
Carat Weight:
0.49

Color:
F

Clarity:
VS2


Grading Report By:
GIA

Cut Grade:
Very Good


Depth:
57.1

Table:
62

Girdle:
Thin to Slightly Thick, Faceted

Culet:
None

Polish:
Good

Symmetry:
Good

Fluorescence:
None

Measurements:
8.94 x 4.13 x 2.36

Length / Width Ratio:
2.16
price 1172

dimmiond 2


Marquise
Carat Weight:
0.49

Color:
E

Clarity:
VS2


Grading Report By:
GIA

Cut Grade:
Very Good



Depth:
56.7

Table:
60
Polish:
Very Good

Symmetry:
Good

Fluorescence:
None

Measurements:
8.17 x 4.30 x 2.44

Length / Width Ratio:
1.9

price 1207