This past present futureâ® diamond bypass engagement ring is a charming statement of forever. 10k white gold a 1/6 ct. Round diamond center stone shimmers between two 1/15 ct. Round diamonds dainty diamonds line the bypassing ribbons of the shank and adorn the setting inside the shank, the word "past present future" are set with two accent diamonds 1/2 ct. T. W. Of diamonds