PLEASE HELP AUTHENTICATE THIS GIVENCHY

[xBENNAx]

Hello any help authenticating this bag would really be appreciated
Link: https://www.ebay.com.au/i/263192568339

Seller: dbeaumount13

Item number: 263192568339

 

[rubythejewel]

Please help authenticate this supposed Givenchy jewelry. A pair of earrings and a pendant. I have included below a link to a imgur album w/ pictures. Thanks a lot, i'm new to Givenchy and any help is greatly appreciated!