Rio gems sells fine gemstones and jewelry. rio gems is one of the few websites to sell a wide variety of loose gemstones. many customers buy loose gemstones so they can make their own custom jewelry. they have a huge variety and selection of premiere gems. they provide a wide selection of fine gemstones mixed with gold, silver and diamonds gives a perfect touch of elegance and classiness. all of their gems are guaranteed to be authentic. they provide a generous risk-free shopping experience. they provide 30-days for you to decide if you've made the right purchase. try it on. see how it feels. and see it in person. they are proud to feature a broad selection of custom design jewelry in their online store that comprise of exquisite diamond rings, earrings, pendants, bracelets in an assortment of gem stone variety that includes amethyst, aquamarine, citrine, sapphire, topaz and tourmaline to name just a few. along with these, they also focuses on brilliant service and conducts business with integrity and honesty.