Floyd Mayweather is one of the wealthiest athletes in the world today. Floyd Mayweather recently gifted a stunning and expensive 18-carat canary diamond ring to his daughter, Iyanna for her 18th birthday. This Floyd Mayweather diamond ring is one of the most expensive rings ever purchased by athletes.     The breathtaking platinum diamond ring that the boxer gifted to his daughter was designed by Pristine Jewelers, New York. The ring contains a modified radiant-cut yellow center stone that is surrounded by an elegantly designed halo of about 36 round colorless diamonds. The dazzling band of the ring is also adorned with approximately eight round colorless diamonds whose carat size is estimated to be around 1.5 carats. The total carat weight of this expensive diamond ring is estimated to more than 30 carats. Iyanna Mayweather gave us a glimpse of her new ring through her personal Instagram account, and said, “First bday gift I’m so in love. Thank you so much Dad. I just can’t stop staring at it.”