Nephrite jade earrings. Green Nephrite Jade earrings handmade with round gemstones and sterling silver studs suitable for men and women. The English word jade derives from the Spanish term piedra de ijada or “loin stone”, from its reputation for curing ailments of the loins and kidneys. 8 mm round cabochon Nephrite Jade earrings set in Sterling Silver handmade in my studio using traditional silversmith techniques. These Nephrite Jade Earrings come complete inside a card box making them a lovely gift. Please note as with all natural gemstones the colour may vary slightly from the pair shown.