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UnoAErre Italia is a goldsmith, jewelry and watchmaking company based in Arezzo, [ 1 ] [ 2 ] The company manufactures, distributes and exports of gold and jewelry in Italy and abroad. History
Fortunato Pio Castellani (1794–1865) is regarded as the forefather of the family. In 1814, Fortunato opened his own workshop in Rome. The progenitor specialized in the creation of jewels emulating the ones that then came to light from the necropolis of Etruria, that were found in the excavations of Pompeii and Herculaneum or that could be observed in the Campana collection.
There are three basic techniques that may be used to attach granules to a metal surface: hard soldering, fusing and colloidal soldering. The metals used in granulation are usually gold and/or silver alloys of high purity – alloys below 18 kt. gold and sterling silver being unsuitable. With each technique, the process begins with the making of ...
Here is what the most popular diamond shapes for engagement rings mean. While reading, think about which shape reflects you and your partner. Round Brilliant Cut: Traditional and Elegant
24-carat gold is pure (while 100% purity is very difficult to attain, 24-carat as a designation is permitted in commerce for a minimum of 99.95% purity), 18-carat gold is 18 parts gold, 6 parts another metal (forming an alloy with 75% gold), 12-carat gold is 12 parts gold (12 parts another metal), and so forth.
Ruby ring. A ring is a round band, usually made of metal, worn as ornamental jewelry.The term "ring" by itself denotes jewellery worn on the finger; when worn as an ornament elsewhere, the body part is specified within the term, e.g., earrings, neck rings, arm rings, and toe rings.