C. 1900. A historic masterpiece from our Estate collection, this Victorian-era treasure features ten 14x13mm carved oval lava rock cameos, e… C. 1900. A historic masterpiece from our Estate collection, this Victorian-era treasure features ten 14x13mm carved oval lava rock cameos, each showcasing an intricately detailed profile. The earthy, neutral tones of the lava rock are elegantly framed in silvertone settings. Box clasp, lava rock cameo bracelet. Exclusive, one-of-a-kind Estate Jewelry.