A bracelet is an article that is worn around the wrist. It may be specifically designed for use as jewelry. Bracelets used as jewelry may have a supportive function, such as holding a other items of jewellery such as religious symbols or charms. Medical and identity information are marked on some bracelets, such as allergy bracelets, hospital patient-identification tags, and bracelet tags for newborn babies. Bracelets may be worn to signify a certain phenomenon, such as breast cancer awareness, or for religious/cultural purposes. A smartwatch is a computerized bracelet, and usually features full capability of a phone. If a bracelet is a single, inflexible loop, it is often called a bangle. When it is worn around the ankle it is called an ankle bracelet or anklet. A boot bracelet is used to decorate boots. Colloquially, handcuffs are sometimes called bracelets. Bracelets can be manufactured from metal, leather, cloth, plastic or other materials and jewelry bracelets sometimes contain jewels, rocks, wood, shells, crystals, metal, or plastic hoops, pearls and many more materials.

A broken heart (also known as a heartbreak or heartache) is a term metaphor for the intense emotional—and sometimes physical—stress or pain one feels at experiencing great longing. The concept is cross-cultural, often cited with reference to a desired or lost lover, and dates back at least 3,000 years. Emotional pain that is severe can cause 'broken heart syndrome', including physical damage to the heart.

In jewelry, a collar is an ornament for the neck. Collar is an older word for necklace, and is usually reserved today for a necklace that lies flat to the body rather than hanging freely. In contemporary fine jewelry, collar necklaces are 14 inches in chain length. In street fashion, collars are more commonly referred to as dog collars. Dog collars are associated with the punk scene and the BDSM scene. Specifically, collar may refer to: One of the insignia of an Order of Knighthood.See:Collar (Order of Knighthood) A wide choker popular in the Edwardian period (also called a dog collar); the style was introduced by Princess (later, Queen) Alexandra of Denmark who wore it to hide a scar on her neck. The various livery collars or chains of office worn by officers of state in England and the United Kingdom. Any massive necklace of the sixteenth century or earlier.

Diamond is a solid form of carbon with a diamond cubic crystal structure. At room temperature and pressure it is metastable and graphite is the stable form, but diamond almost never converts to graphite. Diamond is renowned for its superlative physical qualities, most of which originate from the strong covalent bonding between its atoms. In particular, it has the highest hardness and thermal conductivity of any bulk material. Those properties determine the major industrial applications of diamond in cutting and polishing tools and the scientific applications in diamond knives and diamond anvil cells. Because of its extremely rigid lattice, diamond can be contaminated by very few types of impurities, such as boron and nitrogen. Small amounts of defects or impurities (about one per million of lattice atoms) color diamond blue (boron), yellow (nitrogen), brown (lattice defects), green (radiation exposure), purple, pink, orange or red. Diamond also has relatively high optical dispersion (ability to disperse light of different colors). Most natural diamonds have ages between 1 billion and 3.5 billion years. Most were formed at depths of 150 to 250 kilometers (93 to 155 mi) in the Earth's mantle, although a few have come from as deep as 800 kilometers (500 mi). Under high pressure and temperature, carbon-containing fluids dissolved minerals and replaced them with diamonds. Much more recently (tens to hundreds of million years ago), they were carried to the surface in volcanic eruptions and deposited in igneous rocks known as kimberlites and lamproites. Synthetic diamonds can be produced in a high pressure, high temperature method (HPHT) which approximately simulates the conditions in the Earth's mantle. An alternative, and completely different growth technique is chemical vapor deposition (CVD). Diamond simulants are non-diamond materials that resemble real diamonds in appearance and many properties. These include cubic zirconia and silicon carbide. Special gemological techniques have been developed to distinguish natural diamonds, synthetic diamonds, and diamond simulants.

An engagement ring is a ring indicating that the person wearing it is engaged to be married, especially in Western cultures. In Western countries, engagement rings are worn mostly by women, and rings can feature diamonds or other gemstones. In some other cultures men and women wear matching rings. In some cultures, engagement rings are also used as wedding rings. A ring is presented as an engagement gift by a partner to their prospective spouse while they propose marriage or directly after a marriage proposal is accepted. It represents a formal agreement to future marriage. In Western countries, it is customarily worn on the left hand ring finger, though customs vary across the world. Before agreeing to marry, a couple may choose to buy and wear pre-engagement rings, also called promise rings. After marrying, the couple may wear both engagement rings and wedding rings, or if they prefer, only the wedding rings. Some brides have their engagement and wedding rings permanently soldered together after marriage.

An étagère or shelf is a French set of hanging or standing open shelves for the display of collections of objects or ornaments. The étagère became a popular form of furniture in the nineteenth century. Similar to the what-not, the shelves of the étagère provided extra space for the display of the accumulation of knickknacks that was typical of Victorian home decor.

George Daniels, CBE, DSc, FBHI, FSA, AHCI (19 August 1926 – 21 October 2011) was a British horologist who was considered to be the best in the world during his lifetime. He was one of the few modern watchmakers who built complete watches by hand (including the case and dial). But it was his creation of the coaxial escapement for which he is most remembered. The movement, which removed the need to add a lubricant, has been used by Omega in their highest-grade watches since 1999.

Jewellery (British English) or jewelry (American English) consists of small decorative items worn for personal adornment, such as brooches, rings, necklaces, earrings, pendants and bracelets. Jewellery may be attached to the body or the clothes, and the term is restricted to durable ornaments, excluding flowers for example. For many centuries metal, often combined with gemstones, has been the normal material for jewellery, but other materials such as shells and other plant materials may be used. It is one of the oldest type of archaeological artefact – with 100,000-year-old beads made from Nassarius shells thought to be the oldest known jewellery. The basic forms of jewellery vary between cultures but are often extremely long-lived; in European cultures the most common forms of jewellery listed above have persisted since ancient times, while other forms such as adornments for the nose or ankle, important in other cultures, are much less common. Jewellery may be made from a wide range of materials. Gemstones and similar materials such as amber and coral, precious metals, beads, and shells have been widely used, and enamel has often been important. In most cultures jewellery can be understood as a status symbol, for its material properties, its patterns, or for meaningful symbols. Jewellery has been made to adorn nearly every body part, from hairpins to toe rings, and even genital jewellery. The patterns of wearing jewellery between the sexes, and by children and older people can vary greatly between cultures, but adult women have been the most consistent wearers of jewellery; in modern European culture the amount worn by adult males is relatively low compared with other cultures and other periods in European culture. The word jewellery itself is derived from the word jewel, which was anglicised from the Old French "jouel", and beyond that, to the Latin word "jocale", meaning plaything. In British English, Indian English, New Zealand English, Hiberno-English, Australian English, and South African English it is spelled jewellery, while the spelling is jewelry in American English. Both are used in Canadian English, though jewelry prevails by a two to one margin. In French and a few other European languages the equivalent term, joaillerie there, may also cover decorated metalwork in precious metal such as objets d'art and church items, not just objects worn on the person.

A medal or medallion is a portable artistic object (objet d'art) belonging to the class known as numismatics, struck like a coin by dies on a durable metal flan or planchet of varying sizes and shapes though frequently found as the more common round piece of metal in bas relief of varying heights that has been sculpted, molded, cast, struck, stamped, or some way marked with an insignia, portrait, or other artistic rendering usually surrounded by a legend, i.e., an inscription. Medals having a rectangular shape, for example, are a special class known as plaquettes. Other irregular and non standard shapes or configurations abound including a wide variety of shapes of badges, crosses, stars, and so forth, sometimes attached to a ribbon or cord. There are at least seven classes of medals. 1. Awards: A medal may be awarded to a person or organization as a form of recognition for sporting, military, scientific, cultural, academic, or various other achievements. Military awards and decorations are more precise terms for certain types of state decoration. Military decorations are often in shapes such as crosses or stars, but are still loosely called "medals", as in the star-shaped American Medal of Honor. 2. Commemoratives : Medals may also be created for sale to commemorate particular individuals or events, or as works of artistic expression in their own right. 3. Souvenirs: Medals are also made as souvenirs, similar to a commemorative, but more focused on a place or event like a State Fairs, Expositions, Museums, Historic sites, etc., and frequently found for sale within their respective souvenir shops. During the Renaissance, medals were sometimes commissioned for an individual, typically with their portrait, were often used as a form of diplomatic or personal gift, with no sense of being an award for the conduct of the recipient. 4. Religious : There are also devotional medals which may be worn for religious reasons. 5. Portraits : A medal produced to immortalize a person in their portrait sometimes with the caption in Latin Aetate to describe their age at the time of the portrait. 6. Artistic : Medals can be made purely as an art object. 7. Society Medals : Medals are very frequently made for societies used as a badge or token of membership. An artist who creates medals or medallions is called a "medallist" (UK) or "medalist" (US). Louis Forrer, Biographical Dictionary of Medallists (Spink & Sons, 1904-1930) is an eight volume reference in English listing medallists through history. Ulrich Thieme, Felix Becker, Allgemeines Lexicon der Bildenden Kùnstler von der Antike bis zur Gegenwart (Leipzig : 1907-1949) is a thirty six volume work in German that lists all artists without differentiating their specialty and medium like the Forrer work. Medals have long been popular collectible items in the hobby called numismatics in a special class called either exonumia or militaria also known as Decorations. In the proper use of the term, medallions are larger, starting at perhaps four inches across, and are, as such, usually too large to be worn very comfortably, though in colloquial use, "medallion" is often used to refer to a medal used as the pendant of a necklace (as in the medallion man fashion style of the 1960s and 1970s), or for other types of medals. Medallions may also be called "table medals" because they are too large to be worn and can only be displayed on a wall, table top, desk, or cabinet.

The word pendant derives from the Latin word "pendere", and Old French word "pendre", both of which translate to "to hang down". It comes in the form of a loose-hanging piece of jewellery, generally attached by a small loop to a necklace, which may be known as a "pendant necklace". A pendant earring is an earring with a piece hanging down. In modern French "pendant" is the gerund form of “hanging” (also meaning “during”).Due to the extent to which the design of a pendant can be incorporated into an overall necklace it is not always accurate to treat them as separate items. In some case though the separation between necklace and pendant is far clearer. Pendants are among the oldest recorded types of bodily adornment. Stone, shell, pottery, and more perishable materials were used. Ancient Egyptians commonly wore pendants, some shaped like hieroglyphs. Pendants can have several functions, which may be combined: Award (i.e., Scouting Ireland Chief Scout's Award, Order of CúChulainn) Identification (i.e., religious symbols, sexual symbols, symbols of rock bands) Ornamentation Ostentation (i.e., jewels). Protection (i.e., amulets, religious symbols) Self-affirmation (i.e., initials, names) The many specialized types of pendants include lockets which open, often to reveal an image, and pendilia, which hang from larger objects of metalwork.