Vintage Genuine AQUAMARINE and MARCASITE Ring in STERLING Silver. Size 7 1/4. Marked 925. Measures 1/2 inch long on the finger and weighs 6 grams. The design is very ornate and the stones are dazzling. You will LOVE this ring!!! ..... Aquamarine is the birthstone for March. ..... Also enjoy FREE SHIPPING with delivery confirmation (tracking number). ..... Please contact seller before ordering from Canada.