Jewelry Terms & Definitions

4 C’s –

The Grading System for Grading Diamonds was designed by G.I.A. It includes: Cut, Clarity, Color and Carat Weight!
10x –

10x Means Ten Powered Magnification! It’s used in Jeweler’s Microscopes & Jeweler’s Hand-Held Loupes for Grading Gems.
Alloys –

Alloys are Metals or Minerals that are mixed with other Metals to make them stronger and more durable. Like 14kt Gold is 14% Gold & 10% Alloy.
Amethyst –

Amethyst is the Birthstone for February. This lovely Purple Quartz is one of the most Popular, Beautiful, and most Inexpensive Gemstones found on Earth.
Appraisal –

Replacement Value of Jewelry Items. Whether it is Rings, Pendants, Bracelets or Earrings. Jewelry Appraisals are usually used for Insurance purposes.
Aquamarine –

Aquamarine is the Birthstone for March. This beautiful Light-Blue Gem resembles Water and is often a favorite for people who wear Blue.
Baguette –

A Cut of Diamond that is long & narrow. Baguette is French for “Little Sticks”. Baguettes & Tapered Baguettes are often used in Wedding Sets.
Bead Setting –

A way of Setting Gemstones and Diamonds into Mountings. The Stones are held into the Pave setting by tiny, little Beads of Metal.
Beryl –

A popular Parent Gemstone for which both Emeralds and Aquamarines come from. Beryl often comes from Pegmatites in Caves.
Bezel Facets –

Small Facets that are cut into the top Crown of a Diamond. They help bend light into the Diamond to reflect back Fire and Brilliance.
Bezel Setting –

Bezel Setting a Stone into a Mounting with nothing more than a Wall of Metal that circles the Stone and holds it down securely.
Birthstones –

Gemstones that are designated for the 12 Months of the Year. Even though there are 12 Months, there are actually 17 Birthstones in all.
Blemishes –

Tiny Marks or Flaws that show on the outside surface of a Diamond. Blemishes are usually graded differently than Internal Inclusions.
Blue Diamonds –

A Natural Fancy Blue Colored Diamond that emits a beautiful Blue or Blue-Green shade of Color like the well known Hope Diamond.
Bow-Tie –

A dark shadow that looks like a Bow-Tie and forms inside Fancy Cut Diamonds because of their elongated style of Cut!
Brilliance –

The amount of White Light that reflects back from the body of a Diamond. White Light is called “Brilliance”. Colored Light is called “Fire”.
Bridal Set –

A term used to describe the combination of the Ladies Engagement Ring and the Ladies Wedding Band! They are usually sold together as a Set!
Brilliant Cut –

The most popular Cut of Diamond in the World. The Brilliant Cut is a Round Cut Diamond that has 58 Facets on it (57 if there is no Culet).
Carat –

The word Carat is used to describe the Weight of a Stone. e.g. There are 100 Points in a Carat Diamond (1.00 CT). 50 Points in a 1/2 Carat (.50 CT).
Carat Weight –

Carat Weight refers to the actual Weight of the Diamond. Carat Weight is one of the 4 C’s that are used to Grade and Price Diamonds!
Carbon Spots –

Carbon Spots are Inclusions or Imperfections inside a Diamond. Carbon Spots are more noticeable when they are Black in color!
Cavities –

Inclusions that extend into a Diamond. A Cavity usually looks like a rough hole or deep chunk taken out of the Diamond’s surface!
Channel Setting –

A way of Setting Diamonds or Gemstones into a Mounting. Channels are Walls that are built into the Ring which then hold the stones securely!
Citrine –

The official Birthstone for the Month of November. Citrine is a wonderful Yellow-Orange Gemstone that often resembles a Golden Sunset!
Clarity –

One of the 4C’s that refers to the amount of Inclusions inside a Diamond. The cleaner the stone, the higher the Clarity!
Clarity Grades –

Clarity Ranges are: Flawless, Internally Flawless, Very Very Slightly Included, Very Slightly Included, Slightly Included & Imperfect!
Clouds –

Foggy areas in a Diamond that are Imperfections in the stone. They are often mistaken for a “White” Diamond because they resemble Salt!
Cleavage –

Cleavage refers to the way a Diamond is Cut. Cleavage lines are followed by the Cutter to determine the Shape & Cut of the stone!
Color –

Color is one of the 4 C’s of Diamond Grading that refers to the Hue of the Diamond, whether it be White, Yellow, Brown or Fancy Colored!
Corundum –

Corundum is one of the most sought after Gemstone families there is. Both Ruby and Sapphire come from this wonderful rock! It’s very durable!
Crown –

Crown can mean 2 things: It’s the top part of a Diamond. And also, it’s the end of a Watch Stem that’s used to set the time and date!
Crystals –

Crystals can mean 2 different things: It’s a type of Inclusion found in a Diamond. And it’s also the Glass on the Face of a Watch!
Cubic Zirconia –

Cubic Zirconia, or CZ or Cubic Zirconium, is a man-made Diamond Look-a-like. CZ is Inexpensive, very Pretty, Colorful, but also very Brittle!
Culet –

The Culet is the Facet on the bottom, or tip of the Diamond. Most Diamonds have a Culet, but it’s not necessary for the Beauty or the Cut!

Cultured Pearl –

Pearls that are man-made in a Laboratory to duplicate how Nature makes them. Cultured Pearls are often better looking than Real Pearls because they can control the shape!
Cut –

Cut is one of the 4 C’s that refers to the Cut of the Diamond, and not the Shape! Cut, Proportions, Facets and Depth are all rolled into one!
Depth –

Depth is often referred to as the Depth of a Diamond. The Depth can determine whether your Diamond is Cut to Proper Proportions or not!
Diamond –

Diamond is not only the Hardest Natural Substance known to Man, but it’s also the Official Gemstone, or Birthstone for the Month of April!
Diamond Tester –

A Diamond Tester is a device used to determine if a stone is a Genuine Diamond or another Stone like CZ, or even a Lab-Made Diamond Simulant!
Emerald –

One of the Precious Gemstones that is very Rare & Deep Green in Color. Emerald is also the official Birthstone for the Month of May!
Emerald Cut –

A Cut of Diamond that’s Rectangular in Shape. Emerald Cuts used to be very popular, that is until the Princess Cut took over!
E.S.P. –

Stands for Extended Service Plan which is a great additional plan that Jewelers sell you to cover the cost of Repairing your Jewelry!
Extra Facets –

Extra Facets can be a Diamond with more than 58 Facets. Or a Diamond with an Extra Facet Cut out of the stone to rid the Diamond of a defect or Inclusion!

Facets –

The actual Cut, Polished, Angles & Slants of the outer surface of a Diamond. All Facets should be Symmetrical and Exact.
Fancy Color –

Fancy Colored Diamonds are Diamonds graded below a Z+ on the G.I.A. Color Grading Chart. The Hope Diamond is a Fancy Blue Colored Diamond.
Fancy Shapes –

Fancy Shapes are all Diamond Shapes other than Round. Fancy Shapes are like: Marquise, Princess, Pear, Oval, Trilliant, Baguette, Heart, and more.
Feathers –

Feathers are small Inclusions that are found inside a Diamond. These Imperfections can sometimes look like the Feathers of a Bird.
Finish –

Can mean 2 things: The Polish & Finish of a Diamond. Or, the surface of Gold, like Polished, Sand Blasted, Diamond Cut, Hammered, or Satin Finish.
Fire –

Fire is the name given to flashes of Light that emit from a Diamond that are bent and form all the different colors of the Rainbow. Fire is Colored Light!
Fish-Eye –

The effect a Diamond gives off when the Depth of the Diamond is too Shallow. A circle appears around the inside that looks like a Fish Eye.
FL –

FL is short for Flawless! Flawless is the highest Clarity Grade given to any Diamond. It is free from any Internal Inclusions or External Imperfections!
Flawless –

(FL) Flawless is Clarity Perfection in a Diamond! Being the highest Clarity Grade on the Clarity Chart, it’s free from any Imperfections what-so-ever!
Fluorescence –

A crazy Optical Property that Diamonds have with a reaction to Light. Fluorescence makes a Diamond look foggy and often Glows-in-the-Dark.
Flush Setting –

Flush Settings are when Diamonds or Gemstones are set Flush or Level in the Mounting. Sometimes called Burnished Settings or Gypsy Settings.
Fracture Filled –

Fracture Filling is a process where a Laser Beam is drilled down into an Inclusion, which is then Dissolved out, then filled with a clear substance.
Fresh Water –

Fresh Water Pearls are grown in Fresh water. F/W Pearls are great because they are Natural, look wonderful in Jewelry and Necklaces, and are very Inexpensive!
Fool’s Gold –

Fool’s Gold is great Mineral called Pyrite that got it’s name because most miners would confuse the Shiny Metallic Rock for real Gold!
Full Cut –

A name given to a Diamond that has all 58 Facets to it. Some Diamonds are also called Single Cuts, and they only have 18 Facets on them!
Garnet –

The official Birthstone for the Month of January. Garnets are a wonderful Red-Orange-Rust hue that often resembles fine Wine!
G.I.A. –

G.I.A. is short for the Gemological Institute of America. G.I.A. is the company that devised the well known 4 C’s Diamond Grading System.
Girdle –

A Girdle is a Smooth, Faceted, or Rough Edge that goes around the Outer Portion of the Diamond. The Girdle is the Widest part of a Diamond.
Gold Allergies –

An Allergic reaction to Gold. Most people with Gold Allergies are not Allergic to the actual Gold itself, but the Nickel Alloy mixed in with the Gold.
Golden Jubilee –

A name given to the 50th Wedding Anniversary because Gold is one of the official Gift to give for such a momentum occasion.
Grading System –

The Grading System is actually the 4 C’s Diamond Grading System, that refers to the Diamond’s Cut, Clarity, Color and Carat Weight!
Gypsy Setting –

Same as Flush Setting. Where a Gemstone is set flush and even with the mounting using no prongs or beads holding in the stone.
Head –

The portion of the Ring or Jewelry that holds the Diamond or Gemstones. Heads often have 4 or 6 Prongs and are Soldered onto the Mounting.
Heat Treated –

Heat Treated refers to a treatment used to help enhance Color in a Diamond or Gemstone. Often used with Blue Diamonds or Blue Topaz.
I Clarity –

I Clarity is the lowest Clarity Grade given to Diamonds. I Clarity has eye-visible Inclusions, and is broken down into the I1, I2 and I3 Clarity Range.
Ideal Cut –

Marcel Tolkowsky devised a Cut of Diamond that maximized both the Brilliance and Fire of a Diamond. Ideal Cuts are exceptional & expensive.
IF –

IF stands for Internally Flawless. IF Diamonds have no Inclusions inside the Diamond, but can have some blemishes on the Diamond’s surface.
Imperfections –

Imperfections are Identifying Marks or Inclusions that are found inside or outside the Diamond. Imperfections are what Clarity is Graded upon.
Inclusions –

Same thing as Imperfections. Any Flaw that can be seen either with the naked-eye, or under 10x magnification is an Inclusion, or Blemish.
Inscriptions –

Inscriptions are Laser Etched Numbers & Letters (Report #) that are laser burned into the Girdle of a Diamond. Often for Identifying the stone.
Karat –

Term given for the amount of Gold in a particular Metal. 14 Karat (14kt) is 14 parts Gold and 10 parts Alloy. 10kt Gold is 10 parts Gold & 14 parts Alloy.
Lab Grown –

A term given to Gemstones that are not found in Nature but are actually grown and processed in a Laboratory. Moissanite is a man-made stone.
Lapidary –

The name given to the person that actually cuts the Diamonds and Gemstones. Lapidarists often take years to cut a single Diamond.
Laser Drilling –

A procedure where a Laser Drill Hole is tunneled into a Diamond to dissolve out any Imperfections or Flaws. Laser Drilling is a permanent process and may even weaken the Diamond.
Light Carat –

A term given to a Diamond that’s close to the milestone Carat Weights (1/4, 1/2, 3/4, 1 Carat). Like a .44 pt Diamond can actually be sold as a 1/2 Carat Diamond.
Loupe –

A hand-held tool that Jewelers use to view and grade Diamonds and Gemstones with. Jeweler’s Loupes are often 10x Magnification.
Luster –

Often referred to as the shine and reflection coming from the Pearl Body. The more the Luster, the better the shine and thicker the shell.
Marquise –

A Shape of Diamond that looks like a Football. It has two pointed sides that help give the Marquise Diamond that great elongated appearance!

Melee –

A term given to very small Diamonds. Usually small Diamonds are sold in a Melee Package of Diamonds ranging from .01 pt to .18 pts. each.
Mohs Scale –

The Mohs Scale is a Scale that rates the hardness of Gemstones and Minerals. Diamond is the highest on the scale being a 10. Gold is 2.5
Moissanite –

is a man-made Gemstone that looks similar to a Diamond, but has more Fire and a Yellowish Cast to it.
Moonstone –

Moonstones are from a family of rock called Feldspars. Ranging in many wonderful Colors, Moonstones are known for their great healing powers!
Mounting –

Name given for the Setting, Ring, or Jewelry that Diamonds & Gemstones are set into. Mountings can be Gold, Platinum, Silver, or any type of Metal!

Naturals –

External Inclusions that exist on the outside of the Diamond. Naturals are usually found around the Girdle of the Diamond looking like a rough nick.
Nickel –

A Metal usually mixed with Gold to form 14kt or 10kt Gold. Nickel makes the Metal durable enough to be used for Jewelry.
Old European –

An Old Cut of Diamond that dates back for Centuries. Old European Cut Diamonds are hand-cut, & often Thicker, Deeper, with a larger Culet!
Oval Cut –

A wonderful Cut of Diamond that’s Oval in Shape. Oval Cut Diamonds tend to look larger than other Cuts of Diamonds due to it’s soft edges & curves.
Partial Bezel –

Unlike true Bezel Set Mountings where a wall of Metal would encircle around the entire stone to hold it in, Partial Bezels only have half a Bezel, and grip opposite sides of the stone!
Pave –

Pave Setting is used to describe small beads of Metal that are used to hold Diamonds or Gemstones in the Mounting versus Prongs or Heads.
Pavilion –

The Pavilion is the bottom section of a Diamond. The entire bottom half of the Diamond (from the Girdle down) that comes to a point is the Pavilion.
Pear Shape –

A Fancy Diamond Cut that’s Round on one end (like a Brilliant Cut), and Pointed at the other (like a Marquise Cut). it’s also called Tear Drop!
Pinpoints –

Very Tiny Imperfections or Inclusions inside a Diamond that look like dots or a group of dots. Pinpoint flaws affect a Diamond’s Clarity Grading!
Platinum –

Platinum is a very durable Pure Metal that’s used for making White Metal Jewelry. Platinum is a tough to work with and very, very expensive.
Plumb Gold –

When you see Plumb Gold or KP (Karat Plumb) stamped inside your Ring or Jewelry, it means that it’s at least 14kt Gold or higher in Gold content.
Polish –

Polish can mean the Finish or Smooth Surface of a Diamond. It can also mean the Finish or Surface of Metals like Gold, Silver and Platinum.
Posts –

Posts are the long thin Metal ends of an Earring that go through your ears. Earrings that have Posts & Backs are referred to as Post Earrings!
Princess Cut –

Princess Cut Diamonds are normally Square in Shape, but are often found Rectangular as well. Being very popular, Princess Cuts tend to look rather large!
Promise Ring –

A Ring given as a token of Appreciation, Love & Commitment. Promise Rings have taken new meanings lately symbolizing Abstinence & Waiting!
Prong Setting –

Type of Mounting that holds stones in with Prongs. Prong Settings are perfect for showing off Diamonds like in a Diamond Engagement Ring!
Proportions –

The Angles, Cuts & Percentages that make up the Diamond. If the Facets, Girdle, Depth & Angles are all Cut well, it can have a Great Proportion or Make.
Radiant Cut –

A Shape of Cut that is Rectangular. Radiant Cuts are wonderful Cuts of Diamond that never really became as popular as the Princess Cuts.
Remount –

A term used to remove your Gemstones from your old mounting & reset them into a brand new one. Jewelry Remount Shows are very popular!
Retipping –

Retipping is when the Prongs of your Ring or Jewelry get low & the Jeweler adds Gold or Metal to the tips of them making them more durable again.
Rhodium Plating –

A durable White Metal that’s Plated to the outside of Rings & Jewelry. White Gold is Rhodium Plated to make it look Whiter. Silver may be as well.
Ruby –

A member of the Corundum Family (that includes Sapphire). Ruby is very durable, a 9 on the Mohs Scale. Ruby is Deep Red, Precious & Expensive.
Sapphire –

A member of the Corundum Family that’s very Durable and very Expensive. Sapphire comes in all colors of the Rainbow except Red (that’s a Ruby)!
Shape –

Shape refers to the Physical Shape of the Stone. Round, Marquise, Oval, Princess Cut, Trilliant, Radiant, and Heart, are all great Diamond Shapes!
Shank –

The word Shank refers to the bottom part of a Ring. The actual band that wraps around your finger is called the Shank! A Thin Shank is Bad!
SI Clarity –

SI Clarity makes up the Clarity Range of SI1 and SI2. (You’ll also find SI3, but it’s not recognized by GIA) SI is a great average Clarity that has Small Inclusions in them when viewed under 10x Magnification.
Silver –

A very Abundant, Soft White Metal that’s used for Jewelry all over the World. Silver is 100% Pure. Sterling Silver is 92.5% Pure making it more durable.
Single Cut –

Single Cut Diamonds are small Diamonds with just a couple of Facets on them. Usually around 18. Single Cuts are used a lot for side Diamonds.
Sizing –

Process of Sizing a Ring up or down to fit a finger. Sizings are done by Cutting the Shank, Adding/ Removing Metal, & Soldering it back together again.
Stainless Steel –

A Durable White Metal that’s used in Today’s Modern Jewelry. Being very Distinct, Masculine, Durable & Inexpensive, Men love the look & feel of Steel.
Switching –

Diamond Switching is when a Jeweler switches out your Beautiful Diamond with a Lower Quality of Diamond. It’s wise to Prevent Diamond Switching by knowing your Diamond, and having it Laser Inscribed!
Symmetry –

Symmetry refers to how perfect a Diamond is Cut. Facets should be Proportional & line up with all the other Facets to form Great Symmetry.
Table –

The Table of a Diamond is the top flat Plate of the Diamond. A smooth Surface that Reflects Light & also allows Light to enter & exit the Diamond.
Tightening –

When your Gems or Diamonds are loose in the Setting, Jewelers will Squeeze the Metal Prongs, Channels or Mounting together to tighten them.
Titanium –

An extremely durable Metal that has a Gun-Metal Gray look to it. Titanium is a very Popular and Inexpensive White Metal used in Jewelry Today.
Total Weight –

The Entire Diamond Weight added up as one lump sum. A Ring may have 1.00 Carat in the Center, but have 1.50 Total Diamond Weight all together.
Trigon –

Trigons are Triangular Shaped Growth Lines that appear on the outside of a Diamond. Usually seen on the Diamond’s Girdle, they do affect the Clarity Rating!
Trilliant –

Diamond Shape that looks like a Triangle. Also called Trillion! Trilliant Cuts are beautiful Cuts that were once popular, but now hardly seen!
Ultrasonic –

Ultrasonic Cleaners use Ultrasonic Sound Waves to break up dirt particles off Rings & Jewelry and Cleans them very well!
VS –

VS stands for Very Slightly Included. VS Clarity is a great Diamond Clarity that has hard to see flaws only visible under 10x Magnification.
VVS –

VVS (Very Very Slightly Included) is one of the Best Diamond Clarity Grades on the market. Very Clean, Very Awesome, Very Expensive!
Weight –

Weight refers to Carat Weight or Karat Weight. Diamond Carat Weight is usually marked as CT and Gold Karat Weight is usually marked as KT.
White Gold –

A man-made White Metal that was made as a substitute for Platinum. White Gold is Yellow Gold with White Alloys added to make it look Whiter.