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10 Karat White Gold
10 Karat gold (10K) is 10 parts pure gold and 14 parts other metal alloys.  White gold is created by combining pure gold with a copper, zinc and nickel (or palladium) alloy.

10 Karat Yellow Gold
10 Karat gold (10K) is 10 parts pure gold and 14 parts other metal alloys.  By combining with copper and silver, yellow gold retains a rich yellow color while increasing its durability.

14 Karat White Gold
14 Karat gold (14K) is 14 parts pure gold and 10 parts other metal alloys.  White gold is created by combining pure gold with a copper, zinc and nickel (or palladium) alloy.

14 Karat Yellow Gold
14 Karat gold is 14 parts pure gold and 10 parts other metal alloys.  By combining with copper and silver, yellow gold retains a rich yellow color while increasing its durability.

18 Karat White Gold
18 Karat gold (18K) is 18 parts pure gold and 10 parts other metal alloys.  White gold is created by combining pure gold with a copper, zinc and nickel (or palladium) alloy.

18 Karat Yellow Gold
18 Karat gold (18K) is 18 parts pure gold and 10 parts other metal alloys.  By combining with copper and silver, yellow gold retains a rich yellow color while increasing its durability.

Akoya Pearls
Saltwater cultured pearls that are harvested from Akoya mollusks in oceans off the coasts of Japan and China.

Alexandrite
Discovered in Russia in 1830, this mineral has a unique ability to change colors in various lights.  It is also traditionally given for the 55th wedding anniversary.

Alloy
A mixture of two or more metals created to enhance the strength and/or appearance of a particular metal.

Amethyst
A purple form of quartz.  Amethyst is the birthstone of February and the traditional gift for the 6th and 17th wedding anniversaries.

Analog
A type of watch display featuring a dial and hands, rather than a digital numeric display.

Aquamarine
A blue-green mineral from the beryl family.  Aquamarine is the birthstone of March and the traditional gift for the 19th wedding anniversary.

Baguette
A stone cut into a small rectangular or tapered shape with a step cut and often used as accents to larger stones.

Bangle
A rigid bracelet that slips over the hand, sometimes with a clasp.

Barrel Clasp
Two metal pieces on either end of a necklace or bracelet screw or click together, forming a clasp that looks like a barrel.

Bead Setting
A decorative setting in which stones are set evenly with the metal surface and secured by small metal bead-like prongs.

Bezel (Watch)
A metal ring that frames the dial of a watch.  On many watches, the bezel displays minute increments and can be rotated in one or both directions.  Divers use this function to measure elapsed time.

Bezel Setting
Metal is wrapped around the girdle of the stone, making only its crown and table visible.  This setting is admired for its protection, security and its ability to minimize inclusions.

Birthstones
Stones that correspond to a specific month of the year.

Blemish
Imperfections found on the external surface of a diamond.

Blue Topaz
The most common form of topaz.  Blue Topaz is traditionally used to celebrate December birthdays and the fourth year of marriage.

Box Chain
A classic chain with small box-like links.

Box Clasp
A piece of folded metal on one end of a chain or bracelet fits into the opening of a box on the other end and securely fastens the chain or bracelet together.

Bridal Set
A set of rings that includes both the engagement ring and wedding band for her.

Brilliance
The light that is reflected from the diamond to the eye, or the amount of sparkle for a particular diamond.

Brilliant-Cut
A way in which diamonds are cut.  Brilliant-cut diamonds include round, oval, teardrop, pear, princess, radiant, triangle, heart and marquise-shaped diamonds.

Brushed Finish
A firm metal brush creates tiny grooves in the surface of the metal to add texture.  This effect slightly reduces the reflection of the metal and creates a wispy, feathery look.

Buckle Clasp
Similar to a belt buckle, this clasp is the most popular for non-metal watchbands.

Bulova Warranty
Bulova timepieces are warranted to the owner for two full years from date of purchase.  See complete warranty

Cable Chain
Metal ovals are strung together in a rotating pattern to create this chain.

Cabochon-Cut
A common cut for gemstones that features a smooth, rounded surface rather than faceted.

Carat Weight
One of the 4Cs that measures diamond weight.  Diamonds can range from small fractions of a carat to many carats.

Case (Watch)
Attached to the watchband, this metal covering surrounds the bezel and dial of a watch and protects its internal parts from dirt and damage.  Some cases are built to resist water from entering the watch.

Cathedral Setting
Cathedral-like arches rise above the band on either side of the stone.  May contain diamond or colored stone accents.

Certification
A certification provides an unbiased description of the individual qualities that determine a diamond's value and worth as evaluated by expert gemologists.

Channel Setting
Stones are placed side by side within a metal channel.  There is no metal between each stone.

Chronograph
Watches that include multiple time measurement functions independent of the timekeeping.  These functions can include stopwatches, timers, measurement of one-hour intervals, measurement of fractions of a second or elapsed time.

Chronometer
A watch whose timekeeping has been tested and certified for maximum accuracy according to standards set by the Swiss Official Chronometer Control (Contrôle Officiel Suisse des Chronomètres or C.O.S.C.).

Citizen Warranty
All Citizen watches are under limited warranty for a period of five years from the original date of purchase.  See complete warranty

Citrine
A yellow variety of quartz.  Citrine is the birthstone for November and the accepted gift for the 13th wedding anniversary.

Clasp
The device used to fasten each end of a watchband, bracelet or necklace together.  Clasps are traditionally made of metal and include several designs.

Cluster Setting
Several stones that are grouped together for a unique design or to look like one large stone.

Colibri Warranty
Colibri will repair any watch part they find to be defective for one year from the date of its original purchase.  See complete warranty

Colorless
A diamond with no traces of body color.  Light travels through a colorless diamond better than a diamond with color, resulting in exceptional brilliance.
Conflict Diamonds
Kay Jewelers does not sell conflict diamonds.  Learn more

Crown
The upper portion of a diamond, located between the table and girdle (midsection).

Crown (Watch)
A metal knob located on the side of a watchcase and used to set the watch to the correct time and date.  Some watches have multiple crowns to control other functions and settings.

Crystal (Watch)
The clear cover over the dial of a watch tha