Natural rich blue Iolite(1ct,VS, Brazil) accented with Natural White Zircon(.50ctw,VS, Cambodia) all in solid sterling silver bypass design. Iolite gemstone is the gem-quality variety of the mineral cordierite. In shifting shades of violet & blue, it carries the spirit of journey & illumination. This little known gemstone has also been referred to as water Sapphire, and the Vikings compass. This item can be made with other natural gemstones message me for availability and pricing. This item can be precious metals wrapped charges apply. This item can be resized up or down 1 size.