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Cabochon

A decorative stone carved into a round shape and often used to decorate the crown - a common feat...

Cabochon cut

Cabochon cuts have no facets. Opaque and iridescent stones such as garnets, carnelian and moonsto...

Calibre

The movement or internal mechanism of a watch is known as the calibre and is usually accompanied ...

Calibre 89 pocket watch by Patek Philippe

Designed to celebrate the esteemed brand’s 150th anniversary in 1989, the Calibre 89 pocket watch...

Camelia by Chanel

Presented with a camellia flower by her lover, Boy Capel, the pretty bloom quickly became Mademoi...

Cameo

Cameos come engraved into nearly any surface that lends itself to etching and usually when there ...

Camilla Dietz Bergeron

Camilla Dietz Bergeron was founded in 1987. Known for its antique, period and estate high jewelle...

Carat

A unit of measurement equal to 200 milligrams, carat is the standard measurement used for gemston...

Carrera watch by TAG

The TAG Heuer Carrera chronograph watch, conceived by Jack Heuer in 1963, was named after the Car...

Case

Refers to the exterior housing of the parts that make up a watch. Different materials can be used...

Caseback

The reverse side of a watch case can be sealed, screwed down or protected by a sapphire crystal g...

Central de Designers

Central de Designers is not simply a jewelry boutique. It is a jewelry gallery of Brazilian art. ...

Chandelier earrings

Chandelier earrings come in many sizes and styles, from three-tiered drop earrings with glitterin...

Channel setting

The simple channel setting places diamonds or gemstones in a channel so they flow like a glitteri...

Chris Enebo

Fine jeweller Chris Enebo specialises in unique antique jewellery from Georgian, Victorian and la...

Christie's

Founded in 1776, Christie's is currently the world's largest art business and fine art aucti...

Chronograph

Essentially a fancy word for a stopwatch, a chronograph is typically a multifunction sports watch...

Chronometer

A high-precision watch that has undergone and passed a series of stringent timing tests. The move...

Claw

A claw setting affixes prongs to the outside of a collet or bezel. A metal band is then soldered ...

Cloisonée enamel

An ancient metalworking technique, cloisonée enamel is accomplished by creating compartments on a...

Cluster by Harry Winston

Renowned for his knockout gems, the King of Diamonds also had a strong design aesthetic. One of t...

Collet

The ring of metal that holds a stone in place is called the collet. This is a popular setting for...

Colours of gold

The word “gold” may evoke images of yellow sunshine, and pure gold is, indeed, reddish yellow, bu...

Complication

Typically defined as a function on a watch that does more than tell the time. A date display, a c...

COSC

The abbreviation of Contrôle Officiel Suisse des Chronomètres, the Official Swiss Chronometer Tes...

Côtes de Genève/Geneva Stripes

A classic decorative application of undulating lines used on the visible surface of a movement’s ...

Crown

(Watches) The wheel on the side of a mechanical watch used to wind the mainspring - in the case o...

Culet

The small area at the bottom of a diamond’s pavilion is called the culet. It may be a point or sm...

Cushion cut

Also called a pillow cut, the cushion cut has soft, rounded corners and larger facets than a bril...

Cut (for gemstones)

Cutting transforms a rough stone into a sparkling gemstone. This process, called lapidary, brings...

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