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.
Stunning blue topaz, tourmaline, and red spinel jewelry has graced royal collections and red-carpet events. Today, only four gems bear the precious label: diamonds, emeralds, rubies, and sapphires; that was not always the case. The concept of precious and semi-precious gems is a fluid one.