This is a charming diamond solitaire 18k white gold engagement ring by H Stern. The ring is centered with a sparkling round cut diamond that weighs approximately 0.25ct. The color of the diamond is G with VS1 clarity. The top of this 0.25ct H Stern 18K white gold engagement diamond ring measures 4mm in diameter. The ring is stamped hS 750 and weighs 3.2 grams. The ring is size 5 1/2 but it can be resized.