Gemstone characteristic that lends value to a gemstone. Apart from jewelry, from earliest antiquity engraved gems and hardstone carvings, such as cups, were major luxury art forms. A gem maker is called a lapidary or gemcutter; a diamond cutter is called a diamantaire. The traditional classification in the West, which goes back to the ancient Greeks, begins with a distinction between "precious" and "semi-precious"; similar distinctions are made in other cultures. In modern use the precious stones are diamond, ruby, sapphire and emerald, with all other gemstones being semi-precious. This distinction reflects the rarity of the respective stones in ancient times,
Traditional Vietnamese wedding or extended family, and while children were sometimes consulted, it was nearly always the parents' final decision. It was not unusual for the bride and groom to meet for the first time at the day of their engagement. However, in the last few decades, Vietnamese women and men marry based on love rather than arranged marriages. Preparation for the traditional Vietnamese wedding begins with choosing a date and time for the marriage ceremony. This is decided by a Buddhist monk, Spiritual leader, or fortune teller due to the spiritual nature of the occasion. This tradition may change if the family