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Terms for subject Jewelry (594 entries)

crown	The top part of a cut stone, above the girdle.
crystals	A mineral, especially a transparent form of quartz, having a crystalline form of structure, often characterized by external planar faces.
Cullinan I diamond	530.20 carats. Cut from the largest diamond ever found (3106 carats) also called the "Star of Africa". Named after the chairman of the Premier mine in South Africa at the time, Sir Thomas Cullinan. It was cut, along with 104 other stones by the firm of A
Cullinan IV diamond	63.60 carats, one of the 105 stones from the largest diamond ever found. It is in the crown of Queen Mary and can be removed to be worn as a brooch. Also kept in the Tower of London.
cultivated pearl	Another term used to indicate "cultured pearl."
curve pendant	A pendant that has a curved design either two dimensionally or three dimensionally.
cushion cut	A popular style of cutting gemstones wherein a square or rectangle is cut with rounded corners and a multifaceted top.
cut	A term used to describe how a stone is faceted or shaped. The most popular shapes are round, brilliant, marquise, pear, emerald, princess, square, and oval.
dangle ring	A ring that features a dangling gemstone or metal chains that hang off the main band.
dead spot	An industry term that refers to a gemstone that has dull areas or areas that poorly reflect the light.
designer jewelry	Jewelry that is often designed to cater to a certain trend or fad. Designer jewelry can also refer to a line created by a specific jewelry craftsman.
device	Refers to the main focal point on a coin.
diamond	Crystallized Carbon. Probably the most recognized gemstone in the world. It is prized for it rarity and is also the hardest gemstone on the Moh scale.
diamond cut	Refers to a piece of metal that has been cut with a tool affixed with a diamond. The hardness of the diamond cuts through the metal creating a criss-crossed pattern that creates a surface with more sparkle.
diamond disc earrings	Earrings with circular discs that are covered with diamonds. These earrings are often pave set with the gemstones.
diamond station eternity band	A piece of jewelry like a ring or bracelet wherein diamonds are set in a pattern repeatedly throughout the piece'™s design.
dichroic	Refers to a gem that appears two different colors or shades when viewed from different directions. Alexandrite is a dichroic gemstone because it varies from red to green in different light.
dichroism	The ability of a certain type of gemstone to show two different colors or shades when viewed from opposite sides of the crystal.
Dichroscope	An instrument used to view the different colors of a dichroic mineral or determine is a gemstone is dichroic (possessing two color classes, like tourmaline or iolite) Dichroscopes are useful tools for jewelers as they can determine the stone'™s true colors, the gem'™s central axis, and often categorize a rough stone (a stone that has not yet ben cut or faceted)
fire	dispersion