Discover the allure of this Australian Natural Boulder Opal Ring, set in 925 Sterling Silver and featuring an unusual dark opal stone. The opal, with its rich, deep tones, offers a mysterious and captivating play of color that is unique to Boulder Opals. Formed within ironstone boulders, this rare gemstone is highly prized for its distinctive appearance and natural beauty. The sterling silver setting perfectly complements the opal's dark hues, creating a piece that is both elegant and intriguing. This description emphasizes the unique qualities of the dark opal while highlighting the rarity and beauty of Boulder Opals