Cabochon A stone cut which is smooth and round and domed as in a half ball but it can also be elongated in shape like a half rugby ball
Cairngorm Named after the Cairngorm mountains in Scotland where it was originally found. This is a type of quartz in a smokey brown or grey colour. Its often known as smokey quartz.
Cameo A shell, stone or similar with a design cut to reveal different layers of colour. Cameos usually depict classical figures or beautiful ladies however other scenes can be found.
Cameo Habille A cameo design further decorated with the addition of jewellery such as a diamond or thin gold rope.
Cannetille Thin wire wound to to create filigree and to create an illusion that the piece of jewellery is heavier than it really is. Popular in Victorian jewellery.
CaratThe carat is used in two ways in Jewellery. For diamonds and pearls it is the unit of weight. The carat is also the measure of purity of gold where 24 carat is pure gold and 9 carat is 9/24ths.
Carnelian also known as Cornelian This is a variety of agate in red to reddish brown colour. It is tough and can be found as a cabochon, polished flat or carved as an intaglio.
Cartier One of the leading jewellery companies in the world. Founded in France in the Victorian era. They make the finest jewellery set with high end gemstones.
Carving Softer gemstones can be carved into a decorative shapes, cameos and intaglios are carved for example.
Castellani One of the leading Victorian Jewellers who is known for his revival of the Etruscan style . Pieces with the Castellani monogram are very sought after.
Casting A method of making jewellery whereby the metal is poured into a mould of the required shape.
Cats Eye This describes the way that certain gemstones have a streak of light which appears to move when the stone does. This is normally when the stone is cut into a cabochon. The gemstones which have this effect include Moonstone and Tourmaline. Most often we see a yellow brown form of quartz displaying this effect and refer to it as Tigers Eye.
Celtic A stylised form of ancient decorative motif coming from the Celtic areas: Scotland, The Scandinavian countries and Ireland.
Ceramic Ceramics are usually use in Jewellery as plaques set into brooches. Porcelain plaques can be painted with a scene such a a view of Europe, a child or a bunch of flowers. Pottery plaques are see in arts and crafts jewellery with highly decorative glazes such as those mode by Ruskin. Limoges decorated porcelain plaques are popular set into jewellery.
Chain Chains have been worn since ancient times as jewellery. They vary in length and can be worn round the neck, wrist, attached to a waist cost to hold a watch in place or to suspend medals from. Chains can be made of any metal material, can be fin or heavy. The different shaped links of the chain can have particular names eg flat link or curb link.
Chalcedony A collective term fro a group of semi precious stones including agate, onyx and Carnelian.
Champleve A type of enamel where the design is cut into the metal leaving raised lines to contain the powdered enamel. This is then fired and the surface polished flat smooth.
Chandelier ear ring These earrings are long and glittery just like chandeliers. They often have several strands of glass beads hanging down and can reach as far down as the shoulders. Quite heavy to wear and only for the brave.
ChanelCoco Chanel was the first clothing designer to add costume jewellery to her outfits. Her costume jewellery is most sought after today. She also popularised layers of faux pearls which are part of the signature Chanel look
Channel set Where gemstones such as diamonds are set in a straight row between two bands of metal rather than set with prongs.
Charm A small decorative piece of jewellery often shaped to look like an object or figure. British silver charms from the 1970s are considered to be of the highest quality. Look out for moving and opening charms. Charms can be worn on a bracelet or neck chain or even hanging from earrings or a brooch.
Charm Bracelet A bracelet with wide links suitable for connecting charms to. These often fasten with a heart shaped padlock.
Chasing A decorative technique used on gold and silver where the design is indented into the metal . This is usually done by hand
Chatelaine Worn hanging from a ladies belt during the Victorian era and early 1900s. The lady would keep various tolls hanging from this such as scissors, needles, thimbles, keys and notebooks. These are often highly decorative. They are often made of silver.
Chatoyancy The posh term for cats eye effect shown on some cabochon cut gemstones.
Chinoiserie This is a french term commonly used in English to describe Chinese style decoration – Chinese figures and landscapes and dragons. Usually the westernised versions,
Choker A short necklace which is worn round the neck , popular in the Victorian and Edwardian eras and again in the 1960s / 1970s.
Chrysoprase This is apple green colour hardstone. It is often confused with Jade due to its colour but is not as hard. Very popular in the Art Deco era
Cinnabar A red coloured material made in china and carved with traditional Chinese characters. Originally cinnabar jewellery was made of tree sap and then coloured with mercury sulphide to give it a red colour. This is toxic and so nowadays it is coloured with dye.
Citrine A lovely lemon yellow to brownish yellow form of quartz. This cane be faceted into a gemstone or polished into a cabochon before being set into jewellery.
Classical Style The style which was developed during the Greek and Roman eras. A piece of jewellery in the Roman style.
Claw Setting Where a stone in a piece of jewellery is held in place by a series of prongs. This is seen in rings, brooches and earrings. Claw setting in rings should be checked at least once a year to ensure that the stone is still held firmly in place
Cloisonne A type of enamelling, here raised wires are attached to the base and the spaces are then filled in with colourful enamels. These are heated to melt the colour into place
Cocktail Ring A large and showy ring with gemstones. A cocktail ring can be made of any material, gold, silver or costume. The stones can be real gemstones or costume. The main requirement of a cocktail ring is that is bold and can be seen.
Coin Jewellery Jewellery set with coins has long been popular both silver and gold coloured coins are used. It is not legal to drill holes into coins in the UK and so coins are often set into coin mounts which encircle the coin in some way. Rings, necklaces and charm bracelets are all popular for coin jewellery.
Copper A warm pinkish coloured metal which can either be used on its own or mixed into other metals to give colour. Pure copper can easily turn green in jewellery and so this can be given a lacquer treatment to prevent the green rubbing on to the skin. It is copper which gives rose gold the pinky colour.
Costume JewelleryJewellery made of non precious materials although sometimes it includes semi-precious stones such as quartz. Costume jewellery can be cheaper than precious jewellery although with a great designer name costume jewellery can actually become more valuable.