18K White Gold Cushion Cut Natural Fancy Brownish Yellow Diamond Halo Engagement Ring 1D=6.01Ct FBrY/VS2 28D=~.60Ctw (GIA Grading Report #214598XXXX)
Take a piece of non-stretchable string, ribbon, thread, or a thin strip of paper. Wrap it comfortably around your ring finger, close to the knuckle.