18 K White gold multi color gemstone puzzle square stack rings. Slide them on together or assign them separately. 1- oval pink tourmaline stone. 1- oval Amethyst stone. 1- oval blue topaz stone. 1- oval citrine stone. Each stone is enhanced with a halo of pave' set round brilliant diamonds. Diamond weight approx. 0.50ct. Rings measure: 16mm across top 2mm wide. Size 7, can be resized by your local jeweler. Total weight: 16.7 grams. Please refer to pictures and ask questions. Our goal is 100 % customer satisfaction. Thank you for viewing our shop.