Santa Maria Aquamarine Diamond Ring in Platinum. Aquamarine stones are mined in locations all around the globe but some of the finest gem specimens are found in Brazil. In fact, it was in the Santa Maria de Itabira mine in Menas Gerais, Brazil, where the original aquamarine gemstone possessing a unique, deeply saturated blue hue was discovered. That is why aquamarine stones with such a color are now dubbed ‘Santa Maria,’ regardless of their origin. This beauty is flanked by glittering diamonds o Dazzling Oval Multi-stone Gemstones, Brilliant Cut Sapphire Diamond Gemstones, Oval Multi-stone Gemstones, Marquise Cut Sapphire Multi-stone Rings, Multi-stone Sapphire Rings Marquise Cut, Exquisite Oval Platinum Gemstones, Platinum Multi-stone Gemstones In Fine Jewelry Style, Round Cut Sapphire Diamond Gemstones, Fine Jewelry Platinum Multi-stone Gemstones