This is an amazing platinum halo engagement ring. The ring is centered with a sparkling old mine cut diamond that weighs approximately 2.16ct. The color of the diamond is L-M with VS1 clarity. The center diamond is accentuated by lovely sapphire accents. The top of the ring measures 11.5mm in diameter. The ring weighs 4.1 grams. The ring is size 7 but it can be resized.