Give them a timeless symbol of your growing devotion with this diamond engagement ring from past present futureâ®. 14k white gold the 3/8 ct. Round diamond center stone sparkles between two 1/4 ct. Round diamonds dainty diamonds line the floral detail below the trio and the bridge inside the tapered shank, the words "past present future" are set with two accent diamonds 1 ct. T. W. Of diamonds