Well-known marine artist and conservationist Guy Harvey has released his Signature Jewelry Collection that will, in part, benefit the Guy Harvey Ocean Foundation. The nonprofit organization seeks to educate and inspire the next generation of marine naturalists and scientists. The jewelry renders Harvey's famous illustrations of marlin, swordfish, mahi and other species in precious metals and gemstones. Pieces include necklaces, earrings, bracelets, charms and rings in gold, silver or platinum, studded with colorful stones or diamonds. Prices range from $99.95 to $30,000 for limited-  edition pieces. Visit www.guyharveyjewelry.com.