Boulder Opal jewelry by BlackTreeLab features natural Australian opals set in handcrafted designs - each piece made with sterling silver or solid gold and finished with an organic touch. Boulder Opal is known for its earthy matrix and vibrant flashes of color - perfect for those seeking meaningful gemstone jewelry with grounding energy. Discover handmade opal rings, minimalist pendants, and unique wedding sets - made for lovers of raw beauty and symbolic craftsmanship.