They typically include hedge funds, private equity, venture capital, real estate, and real assets, although this investment category is fluid, and new products are constantly being developed. Alternative investments use techniques and instruments that are unavailable in traditional investment approaches.
Pearls are a popular gemstone, especially in jewelry-making. Gemstones. Turquoise, a popular gemstone, is used to make jewelry. Diamonds. Promise rings often feature gems such as amethyst. Quartz is a common type of gemstone. Diamonds are traditionally given as an engagement ring during a marriage proposal.
See contemporary silver and gold designer jewelry with gemstones. Jewelry with brown gem stones comes in a variety of different shades, including copper, amber, auburn, beige, brick, bronze, chestnut, chocolate, cocoa, coffee, mahogany, rust and tan.hown below are pictures of some common and uncommon brown stones including tiger's eye, carnelian, citrine, topaz, sapphire, agate and jasper. The links below provide more information about a specific gemstone, pictures of jewelry made with the stone, or its corresponding birthstone facts.