11.27 Ct. Boulder Opal from Australia

This exceptional Boulder Opal is a rare find, offered exclusively by The Natural Gemstone Company, and it is presented as a single, carefully selected specimen for discerning collectors and bespoke jewelers. This opaque multi color opal weighs 11.27 carats and displays a graceful freeform shape that measures 20.60 x 11.90 x 4.40 mm. Cut in a tablet style to maximize the surface color play, this stone exhibits intense color intensity and an excellent polish that brings the vibrant hues to life. Originating from Australia, and with no enhancement performed, this opal retains its natural character and geological story, making it a one of a kind treasure for those who value authenticity and provenance.

The play of color across this Boulder Opal is striking, with luminous greens and deep oceanic blues that shift and shimmer as light moves across the tablet cut surface. Its freeform silhouette invites bespoke design, enabling a unique setting that highlights the stone as the focal point of a statement ring, pendant, or a collector s cabinet of curiosities. With its substantial 11.27 carat weight, the piece feels commanding yet elegant, ideal for clients who seek rarity and individuality rather than mass produced uniformity. The Natural Gemstone Company offers this opal with detailed documentation of its unenhanced status and Australian origin, and we are prepared to assist with custom design recommendations, secure packaging, and insured delivery. Owning this Boulder Opal means joining an exclusive circle of connoisseurs who appreciate the rare marriage of intense natural color, superb craftsmanship in cutting and polish, and the quiet prestige of a gemstone that will not be reproduced. If you are interested in acquiring this singular gem, please contact The Natural Gemstone Company for a private consultation, as this stone is available in extremely limited quantity, and opportunities to obtain such a naturally magnificent Australian opal are uncommon.