6.09 Ct. Boulder Opal from Australia

You are looking at a truly rare example of Australian boulder opal brought to you by The Natural Gemstone Company, an opaque freeform gem that reads as a work of nature and the lapidary arts combined. This stone weighs 6.09 carats and measures 16.89 x 12.02 x 4.24 mm, a proportion that is ideal for a striking pendant or an asymmetric ring design. The play of color in this multi color opal is intense and immediate, with brilliant greens and flashes of complementary hues that appear to move as the gem catches the light. As a Boulder Opal, it carries the natural ironstone backing that both anchors its colors and provides a stable canvas for a designer to set it in hand crafted jewelry. There has been no enhancement applied to this gem, and it has been evaluated at eye level as very slightly included, a clarity that confirms its natural origin while preserving the mesmerizing depth of its color. The polish is excellent, delivering a smooth surface that amplifies the opal s internal fire and allows the freeform silhouette to glow from every angle.

Owning this freeform multi color Boulder Opal is an invitation to join a small circle of collectors and connoisseurs who value individuality and provenance. The freeform shape is bespoke by nature, and its unique outline resists mass production while offering a jeweler maximum creative freedom. I recommend a bezel set in a warm metal to contrast the green play of color, or a custom open back setting that shows the ironstone matrix, emphasizing the Australian origin and the stone s natural character. The dimensions and carat weight make it substantial enough to be the centerpiece, yet refined enough to be worn daily by someone who appreciates discreet luxury. The very slightly included clarity is visible only upon close inspection, which means the gem will present as visually clean to the eye while retaining the intrinsic markings that tell its geological story. At The Natural Gemstone Company we curate these pieces with an eye for rarity and authentic beauty, and this opal is precisely the kind of gem we reserve for discerning clients who prefer treasures that are one of a kind.

This Boulder Opal is available as a single, unique offering, and because of the stone s freeform nature and Australian origin, comparable examples are exceptional and infrequent. If you are seeking a truly personal commission, we can arrange a private consultation to discuss mounting options, metal choices, and design sketches that will honor the stone s movement and depth. For care, avoid prolonged exposure to heat and chemical cleaners, remove jewelry during strenuous activity, and store the opal separately to prevent surface scratches, trusting that the excellent polish will last many seasons when treated with care. At The Natural Gemstone Company we stand by the authenticity and provenance of every stone we offer, and we will provide full documentation noting that this is an untreated Australian Boulder Opal, 6.09 carats, freeform shape, dimensions 16.89 x 12.02 x 4.24 mm, clarity very slightly included evaluated at eye level, intense color intensity, excellent polish, and no enhancement. This is an opportunity to own a naturally rare gem, a piece that declares exclusivity with quiet confidence, and we look forward to guiding you through making it your own.