Effy's Exotic Gems collection celebrates the rarest and most extraordinary gemstones on earth, each one a collector's treasure prized for its exceptional color, origin and rarity. Alexandrite, one of the rarest gemstones in the world, is a color changing gemstone that shifts from vivid green in daylight to a deep purplish red under incandescent light, earning its reputation as nature's own chameleon. Paraiba tourmaline, discovered in Brazil and later in Nigeria and Mozambique, is prized for its electric neon blue and blue-green hues, making it one of the most coveted tourmaline gemstones in the world. Purple and violet sapphires and offer a regal, color-shifting alternative to classic blue sapphires and are prized for their durability and depth of color. Our pink sapphire jewelry brings a romantic, rare and rosy hue to fine jewelry, symbolizing love and inner strength and a popular choice for pink sapphire engagement rings. Each piece in this rare gemstone jewelry collection is set in 14K yellow gold, white gold or rose gold and available across every fine jewelry category, from exotic gem rings and earrings to bracelets, necklaces and pendants. Whether you're searching for a color-shifting alexandrite ring, a Paraiba tourmaline necklace, a purple sapphire bracelet or a pink sapphire ring, Effy's Exotic Gems collection offers rare gemstone jewelry for the true collector, gemstone enthusiast or anyone in search of a truly one-of-a-kind fine jewelry gift.