Designers are breaking the mold, using unique materials to create beautiful pieces.
Ancient Art

Carved mammoth ivory is set in gold with diamonds to create these exquisite earrings ($23,300) by David Joseph for Bochic. Neiman Marcus, Palm Beach (561-805-6150, bochic.com)
Rock Solid

Unique, yet classically elegant, Bulgari’s B.zero1 ring ($1,150) combines rose gold with solid marble. Because of the stone’s natural markings, each ring is truly unique. Available in green bowenite, lapis blue and tobacco brown. Bulgari, Boca Raton (561-368-7075, bulgari.com)
Branch Out

Pear-shaped diamonds are delicious when mounted on 18-karat rose gold and ceramic in this one-of-a-kind brooch by Sotheby’s Diamonds. By appointment. (212-894-1400, sothebysdiamonds.com)
Into the Woods
Eva Fehren’s classic pendant ($5,360) features a piece of petrified wood set in 18-karat rose gold, hanging from an 18-karat blackened gold chain set with black diamonds. By special order. Alchemist, Miami (305-531-4653, evafehren.com)
Haute Stone

This one-of-a-kind piece by Kara Ross features 18-karat white gold stars and diamonds set in a volcanic lava cuff, with a handmade 18-karat gold hinge and clasp. Price upon request. Kara Ross, New York (212-223-7272, kararossny.com)