This lovely pendant features a 3.75 carat brilliant, eye-clean, Caribbean Blue Topaz, also known as green amethyst, stone set in .925 sterling silver. The rectangular stone measures 10 x 8mm and the entire pendant is about 1/2 x 3/8 inch with a 1/4 inch loop. This versatile pendant goes well with any of our Omni Collection interchangeable bails.