1) 18K yellow gold engraved eternity band comprised of emerald cut pink tourmaline alternating with round diamonds, sz 4.75, 2) 14K yellow gold sapphire and diamond band, sz 4.75, 3) 14K yellow gold ring featuring a rectangular lemon citrine embellished with diamonds, sz 5.25, and 4) 14K yellow gold bypass ring with two cultured pearls, sz 8.5, 13 grams tw