need quick help on diamond

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Hi I am obviously a newbie but I spent a little bit of time doing research about diamond ( 4C etc ).

I am in Australia and due to circumstances, I have a time constraint as well . So I have a very limited choice. Anyway, I was suggested this diamond by the retailer for my price range ( 4-5 thousands ) . I would kindly appreciate any input .

SHAPE: ROUND
CARAT WEIGHT: 0.82
COLOUR : D
CLARITY : SI2
CUT : IDEAL
STATUS : IN STOCK

GIA REPORT:
Carat : 0.82 carat
COLOR : D
CLARITY: SI2
Cut : Excellent

Clarity Characteristics : Twinning Wisp, Crystal Finish
Polish Excellent, Symmetry Excellent
Fluorescence Medium Blue

Price is 4200 which is inside my budget.


There is another one which is slightly out of my budget but I would still consider should the difference is "big"
SHAPE: ROUND
CARAT WEIGHT: 0.77
COLOUR : E
CLARITY : VVS2
CUT : IDEAL
STATUS : IN STOCK


GIA:
Carat : 0.77 carat
Color : E
Clarity VVS2
Cut EXCELLENT

Clarity Characteristics Cloud
Excellent Polish and symmetry
NO FLUORESCENCE

price is $6200 ( $2000 more expensive )

Please kindly offer any opinion especially for these diamonds especially the first one.

Thanks heaps !!

 

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IS picture of the first 1




and the second one..