About the Piece: Discover the One-of-a-Kind 18K Yellow Gold 8.26 ct. Boulder Opal Mushroom Necklace by Amáli. Handcrafted in New York, this exquisite necklace features an 8.26-ct. boulder opal shaped as a whimsical mushroom. The stone, gleaming with earthy browns and vibrant blues, is set in a handmade 18K gold bezel with braided chain. An additional gold chain accent, separating the mushroom’s cap from the stem, adds visual intrigue. The pendant is suspended from an adjustable 16” – 18” chain....