Two are 9ct and one is 14ct

1: Hallmarked 14 carat solid gold pendant with two dolphins leaping around a clear faceted crystal stamped Mexico 14K CZ, also has a set of QVC British import hallmarks including 585 and date letter Y for 1998

2:  Hallmarked solid gold filigree Dolphin pendant hallmarked with a crown for gold 375 for 9 carat gold, anchor for Birmingham, England, makers mark and date letter 'u' for 1994

3:  Large dolphin pendant around a purple harlequin faceted crystal, makers mark  DMJ, import duty marks for England - 375 and an anchor for Birmingham

Total combine weight approximately 7g