Gems & Stones: Gemstones, awe-inspiring creations from the earth, were created over thousands or millions of years ago. Sterling silver gemstone bracelets at Plum Island Silver portray gemstones in the lead role of the silver bracelet in the grouping of silver bracelets and include many varieties of gemstones and other stones such as turquoise. The silver and gemstone jewelry collection was developed with the female in mind and puts her in the limelight with the comely selection of bracelets from which to choose.