2. Blue Diamond by Bvlgari – $9.5 Million
In second place, we have this stunning example of a truly unique engagement ring by Bvlgari.
The 5.4 blue carat diamond ring was purchased by Graff diamonds and once held the title of the worlds most expensive engagement ring.
Getting close to $10 million, this ring is certainly only attainable to the super-wealthy for the super-wealthy.