5.40 Baguette Cut Diamond Eternity Band in Platinum5. 40 Baguette Cut Diamond Eternity Band in Platinum. This modern wedding band features 5. 40 carats of baguette cut diamonds finished in shimmering platinum. Thirty (30) . 18 carat diamonds, each near colorless, are set in eternity style and circle the entire ring. Finished by a polished platinum trim, this eternity band could also be worn as a right hand ring.