- 4mm set stud earrings - 24k gold-plated brass - Natural blue lapis lazuli stone - Jewelry designed and crafted in France Each Aura piece is a unique piece, designed and assembled by hand in our Parisian workshops. All stones selected by Aura jewelry are natural, they may vary slightly in shape and color. Delivered in its pouch with its mantra card. A little touch of natural lapis lazuli stone? Adopt this pretty stone in midnight blue to ultramarine color. Natural lapis lazuli is known to promote communication and exchanges. Connected to the throat chakra, this refreshing stone will bring a luminous touch to your look. Whether worn with your ear jewelry or simply, the Ariane 4mm stud earrings are ideal for any occasion.