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 is Catholic. The wedding consists of an extensive set of ceremonies: asking permission to receive the bride, receiving the bride at her house, and bringing the bride to the groom's house. Both Vietnamese and oversea-Vietnamese who desire to have a hybrid traditional Vietnamese and Western-style wedding will often incorporate the last two ceremonies with the Western-style wedding. At the end of the ceremonies, there is a wedding reception for the two families and guests. Before the wedding day, the groom's family would make a trip to the bride's home with a gift of betel nuts to officially ask permission to