natural unheated/untreated sapphire specimen 433.86 ct (86.772 grams)

Discover the untamed beauty of an 86-gram natural, unheated, and untreated sapphire from Tanzania’s Umba River Valley, offered at NaturalRawks.com for $1 per gram. Weighing around 3 ounces, this stunning specimen captures the pristine spirit of one of the world’s most renowned gemstone locales, revealing a mesmerizing spectrum of colors—from deep twilight blues to vibrant amber hues and soft pastel pinks. Pulled straight from the earth with no alterations, this impressive sapphire reflects nature’s raw artistry, making it a perfect find for collectors, creators, or anyone captivated by genuine geological marvels. Priced at only $1 per gram, this Umba Valley treasure provides an accessible opportunity to own a flawless piece of Tanzania’s mineral legacy, poised to spark wonder or serve as the heart of a custom masterpiece.