The interchangeable smooth flat black spinal briolette with yellow sapphire earrings by Trésor are full of whimsy. The yellow sapphire stones will draw attention and keep all eyes on you. Mix out the black spinal briolette with one of the many stones that can connect to this piece. Metal: 18k white gold. Length: 2 ½ inches. Stones: Black spinal briolette, yellow sapphire. Sapphire weight: 4.79 carats.