From a distance, the opal appears oceanic—deep, clean, and blue. But step closer, and something extraordinary begins to happen. Bands of red fire ignite from within the stone like glowing embers beneath a calm sea, shifting with your every movement. In sunlight, the color play becomes surreal—dimensional waves of green, ribbons of orange, flashes of blue and violet—dancing like tide and light over coral reef. It’s a stone with depth, movement, and soul.

This museum-worthy platinum boulder opal pendant, measuring a commanding 1.25 by 1 inch, is set in solid platinum with a distinctly mid-century Japanese silhouette. The back is hallmarked “PM850” and “0.53,” revealing its postwar Tokyo origins—likely crafted sometime between the late 1940s and 1950s. It is a one-of-a-kind vintage piece that bridges geologic wonder with timeless design.

The opal is not flawless—near the lower right edge, a small pocket of matrix resisted polish, as boulder opals sometimes do. In context, it only adds to its authenticity: a rare geological fingerprint, visible in the photos, and quietly honest in presentation.

From every angle, Hualālai feels like memory made tangible—like looking into warm, tropical water where lava rock meets reef, as a gentle breeze rolls in from the horizon. It is a collector’s piece, but also a personal one—waiting to find its place in the life of someone who sees beauty not just in jewelry, but in the journey.

16” platinum curb chain included.  Don't miss our Papakōlea boulder opal and diamond ring, the perfect pairing inspired by the green sands of Hawaii's famous green sand beach.

NGL Japan certificate of gem identification included.