An hourglass measures time, this time is measured in diamond grains. Set behind Quartz Crystal is .50 carat of White Diamond Grains. The 1"x 1/2" gold oval can turn to start the time again, the grains will fall to the bottom. Wear it solid gold or crystal side up. The solid gold oval can be customized with engraving. The delicate gold double wire Band Measure 2mm in width.