Glossary

  • AGS
  • AGta
  • ASSCHER CUT

    The Asscher Cut is a diamond step cut similar to the Emerald cut except more square. It was developed in 1902 by Joseph Asscher and was the first signature cut to be patented. See Asscher Cut Diamond Engagement Rings at Ziva Jewels

  • BAGUETTE

    A gemstone cut into a narrow rectangular shape similar to an emerald cut. It is rarely used as a center stone and usually serves as an accent.

  • BEZEL SETTING

    A bezel setting has a metal rim that encircles the girdle of a gemstone to hold it securely in place. Since the diamond is enclosed, it is a very protective setting. See bezel settings at Ziva Jewels

  • BLEMISH

    A blemish is a flaw on the surface of the diamond

  • BRILLIANCE

    Brilliance refers to how well the diamond reflects light

  • CANARY DIAMOND

    A yellow natural color diamond

  • CARAT

    Carat is one of the 4 C's and refers to the weight of the diamond. It is the equivalent to 200 milligrams, or 0.2 grams. It is different from karat which refers to the percentage of gold in an alloy. See Our FAQs related to diamond carat

  • CARAT TOTAL WEIGHT

    Carat Total Weight, abbreviated (ct. tw.) refers to the combined carat weight of all diamonds in a piece of jewelry.

  • CATHEDRAL SETTING

    A cathedral setting, includes arches (that act as a cathedral's flying buttresses) that frame the center stone or head of the setting. See the Cathedral Collection at Ziva Jewels.

  • CHANNEL
    SETTING

    A channel setting is a setting style where stones are suspended between two bars or strips of metal.

  • CITRINE

    Citrines are the most affordable of all the earth-toned gemstones and are a warm orangey citrus color.

  • Clarity

    Clarity is one of the 4 C's and refers to the lack of imperfections in the stone. It is graded on a scale that goes from F (flawless)-IF-VVSI-VSI-SI-I with several sublevels. See Our FAQs related to diamond clarity

  • CLAW
    SETTING

    A claw setting is the same as a prong setting, where prongs are used to keep the diamond in place. See the claw settings at Ziva Jewels

  • COLOR

    Color is one of the 4 C's and refers to the absence of color in a diamond. D is the highest grading a colorless diamond can receive and Z is the lowest. Diamonds found in jewelry are usually not below a J or K color grading. Fancy colored diamondsFancy diamonds or colored diamonds are given a color grade of Z+. Canary diamonds, red diamonds, blue diamonds, pink diamonds and green diamonds among others are considered fancy diamond colors. are assigned a score of Z+ meaning they fall outside of the colorless scale. See Our FAQs related to diamond color

    • d
    • e
    • f
    • g
    • h
    • i
    • j
    • k
    • l
    • m
    • o
    • p
    • q
    • r
    • s-t
    Exceptional White Rare White White Slightly Tintedwhite Tinted
    White
    Tinted Color
  • CROWN

    The diamond crown refers to the collective facets above the girdle of the diamond.

  • Cubic
     Zirconia

    Cubic Zirconia has been regarded as an excellent diamond simulant, meaning it is not a real diamond but is made to look like one. Ziva Jewels does not use any diamond simulants in the construction of their jewelry.

  • Culet

    The diamond culet refers to point at the very bottom. In some cases, the tip is polished off to form another facet. This is done to prevent accidental chipping.(See above diagram)

  • Cut

    Cut is one of the 4 C's and refers to the proper balance of proportions. If the facets are lined up correctly and at the proper angles, light will enter the diamond and be dispersed. If a diamond is cut too deep or too shallow it will leak light and not be as brilliant. See Our FAQs related to diamond cut.

  • DEPTH

    Depth refers to the height of the gemstone from the tableA table refers to the large facet on the top of the diamond where light enters. (top) to the culetThe diamond culet refers to point at the very bottom. In some cases, the tip is polished off to form another facet. This is done to prevent accidental chipping. (point on the bottom). If a diamond was the equivalent of the earth, the depth would be a straight line through the center of the earth from the North Pole to the South Pole.

  • Diamond
    Shape

    The shape of the diamond refers to the silhouette and the look of the diamond. The most popular cut is the round brilliant followed by the princess cutA Princess cut is a square diamond shape and the second most popular cut after the round brilliant. . There are also fancy shapes such as pear (also known as teardrop shaped), marquis, heart, radiant and more. See Our FAQs related to diamond shape

  • EGL
  • EMERALD
  • FANCY
    DIAMOND

    Fancy diamonds or colored diamonds are given a color grade of Z+. Canary diamondsA yellow natural color diamond , red diamonds, blue diamonds, pink diamonds and green diamonds among others are considered fancy diamond colors.

  • FIRE

    Fire refers to the refraction of colors that a diamond produces. Diamonds of higher quality have the ability to refract more colors when the diamond is exposed to light.

  • FL

    FL or simply F is the highest clarity grading a diamond can receive. It means that the diamond is absolutely flawless. They are extremely rare; in fact De-Beers have estimated that only one in seven million diamonds recovered will produce a one carat D Flawless polished stone. See Our FAQs related to diamond clarity

    Clarity Rating
    • FLFlawless
    • ifInternally Flawless
    • vvs1Very Very Slightly Included 1
    • vvs2Very Very Slightly Included 2
    • vs1Very Slightly Included 1
    • vs2Very Slightly Included 2
    • si1Slightly Included 1
    • si2Slightly Included 2
    • i1Included 1
    • i2Included 2
    • i3Included 3
  • FLUORESCENCE

    Fluorescence is a characteristic that makes some diamonds appear to change color when they are exposed to ultraviolet light.

  • GIA

    The Gemological Institute of America is the world’s foremost authority on diamonds, colored stones, and pearls. They are responsible for the establishment of the four C’s and issue diamond and gemstone certification based on unbiased analysis of gemstone quality.

  • GIRDLE

    The girdle refers to the widest part of the diamond where the crown meets the pavilion. If a diamond was the equivalent of the earth, the girdle would be the equator.

  • HUE

    Color Hue is a term used to grade natural colored diamonds and gemstones. Color hue refers to the dominant color of a natural colored diamond or gemstone.

  • I1, I2, I3

    I means that the diamond is ‘included’ and refers to the diamond’s clarity rating. A diamond inclusion is another name for a diamond flaw. I ratings are the lowest on the clarity scale and indicate the diamond may have a flaw that is visible with the naked eye. See Our FAQs related to diamond clarity

  • IDEAL CUT

    Ideal cut and ‘Excellent’ cut are interchangeable terms that mean the same thing. An Ideal Cut is a cut grading assigned to a diamond that is expertly proportioned to reflect the most light possible.

    • Good
    • Very Good
    • Ideal
    Depth % Table % Girdle Culet Polish Symmetry
    • 59%-62.7%58.1%-63%56.1%-64.3%
    • 53%-57%53%-63%53%-65%
    • Thin-Slightly ThickVery Thin-
      Thick
      Very Thin-Very Thick
    • None-
      Medium
      None-
      Medium
      None-
      Medium
    • Excellent-
      Very Good
      Excellent-
      Very Good
      Excellent-
      Very Good
    • Excellent-
      Very Good
      Excellent-
      Very Good
      Excellent-
      Very Good
  • IF

    IF stands for ‘internally flawless’ and is the second highest clarity grading a diamond can receive. See Our FAQs related to diamond clarity

  • INCLUSION

    An inclusion is another name for a diamond flaw. The more included a diamond is, the lower clarity rating the diamond will receive. See Our FAQs related to diamond clarity

  • Karat

    Karat refers to the percentage of gold in an alloy (metal mixture). 18K gold is 75% gold and ideal for fashioning jewelry. It is different from carat which refers to weight.

    24 karat = 100% gold
    22 karat = 91.7% gold
    18 karat = 75.0% gold
    14 karat = 58.3% gold
    10 karat = 41.7% gold

  • Kimberley Process

    The Kimberley Process is a system of documentation to keep track of where a diamond originated and that it was obtained through legal means. It is used to prevent blood diamonds from entering the marketplace.

  • LIGHT PERFORMANCE
  • Loose Diamond

    A diamond that has not been mounted into a setting

  • Moissanite

    Moissanite has been regarded as an excellent diamond simulant, meaning it is not a real diamond but is made to look like one. At Ziva Jewels we do not use any diamond simulants in the construction of our jewelry.

  • Patina

    A patina develops on the surface of a metal (including platinum) over time due to exposure and daily wear. The patina gives the piece of jewelry an antique look but it can be polished away.

  • PAVE

    In a pavé style design, the setting is encrusted with very small diamonds. Pavé is often done either around the band or as a halo around the diamond.

  • Pavilion

    The diamond pavilion refers to the collective facets below the girdle of the diamond

  • Peridot

    Peridot is a delicate lime green gemstone and the birthstone for August. See Peridot Rings at Ziva Jewels

  • Point
  • Polish

    Diamond Polish refers to how smooth the outside surface of a diamond has been refined. It is graded with the terms, ‘Excellent’ ‘Very Good’ and ‘Good’

  • Princess Cut

    A Princess cut is a square diamond shape and the second most popular cut after the round brilliant. See Princess Cut Diamond Engagement Rings at Ziva Jewels

  • Rhodium

    Rhodium is a precious metal, a member of the platinum family and is used to plate white gold jewelry to give it a shiny white appearance.

  • Ruby

    A Ruby has the same durability as a sapphire and is a reliable gemstone. It is available in a range of red hues, from purplish and bluish red to orange red. See Ruby Rings at Ziva Jewels

  • Sapphire

    The sapphire is one of nature’s most durable gemstones and comes in a variety of colors ranging from golden yellow, to reddish-orange to violet and even pale white. See Sapphire Rings at Ziva Jewels.

  • Saturation

    Color saturation is a term used to grade natural colored diamonds and gemstones. Color saturation is determined according to how much of the color is present in the stone. If the stone has a dark color tone, the saturation can vary from dark to deep. If the stone is light in tone, the saturation can vary from pastel to vivid and intense.

  • Scintillation

    Scintillation is a term used to describe the diamonds dynamic flashes of light when it is moved back and forth.

  • Shank

    The shank is part of the diamond ring setting that wraps around the finger. It is also referred to as a band.

  • SI

    SI means 'slightly included' and refers to the diamond's clarity rating. A diamond inclusion is another name for a diamond flaw. SI is one level below VS and two levels below VVS. SI1 is one sub-level above SI2.See Our FAQs related to diamond clarity.

  • SI2

    SI means ‘slightly included’ and refers to the diamond’s clarity rating. A diamond inclusion is another name for a diamond flaw. SI is one level below VS and two levels below VVS. SI2 is one sub-level below SI1. See Our FAQs related to diamond clarity

    Clarity Rating
    • FLFlawless
    • ifInternally Flawless
    • vvs1Very Very Slightly Included 1
    • vvs2Very Very Slightly Included 2
    • vs1Very Slightly Included 1
    • vs2Very Slightly Included 2
    • si1Slightly Included 1
    • si2Slightly Included 2
    • i1Included 1
    • i2Included 2
    • i3Included 3
  • Solitaire

    A solitaire is a classic ring style with a simple band and a single diamond suspended by prongs. A solitaire setting is also referred to as a Tiffany setting. See Solitaire Settings at Ziva Jewels.

  • Table

    A table refers to the large facet on the top of the diamond where light enters.

  • Tanzanite

    A vivid blue gemstone mined only in Tanzania at the feet of the majestic Mount Kilimanjaro. See Tanzanite Rings at Ziva Jewels

  • Tarnish

    Tarnish is a naturally occurring process that blackens the surface of a metal when it is exposed to certain things. The list ranges from sulphur in the air to wool, latex gloves, oils from your hands, ammonia, chlorinated water, and even salty or oily foods.

  • Tiffany Setting

    The Tiffany setting is a solitaire design in which the center diamond is suspended above the band with four or six prongs. See Tiffany Settings at Ziva Jewels

  • Tone

    Color tone is a term used to grade natural colored diamonds and gemstones. It refers to how much lightness or darkness a stone appears to retain even when illuminated. It can range from dark to very dark or light to very light.

  • Tourmaline

    A Tourmaline is a gemstone with a wide range of colors, including red, pink, green, blue, and red. At times the stone can exhibit two colors at once like the special watermelon tourmaline.

  • Trillion or Trilliant

    A trillion is a fancy triangular diamond shape. At one point, it was a trendy center stone shape, but now it is most often used as an accent stone.

  • VS

    VS means ‘very slightly included’ and refers to the diamond’s clarity rating. A diamond inclusion is another name for a diamond flaw. VS is one level below VVS and one level above SI1.VSI1 is one sublevel above VSI2. See Our FAQs related to diamond clarity

  • VS2

    VSI means ‘very slightly included’ and refers to the diamond’s clarity rating. A diamond inclusion is another name for a diamond flaw. VSI is one level below VVS and one level above SI1.VSI1 is one sublevel above VSI2. See Our FAQs related to diamond clarity

  • VVS

    VVS means ‘very very slightly included’ and refers to the diamond’s clarity rating. A diamond inclusion is another name for a diamond flaw. VVS is one level above VS and two levels above SI1.VVS1 is one sublevel above VVS2. See Our FAQs related to diamond clarity

  • VVS2

    VSI means ‘very slightly included’ and refers to the diamond’s clarity rating. A diamond inclusion is another name for a diamond flaw. VSI is one level below VVS and one level above SI1.VSI1 is one sublevel above VSI2. See Our FAQs related to diamond clarity

    Clarity Rating
    • FLFlawless
    • ifInternally Flawless
    • vvs1Very Very Slightly Included 1
    • vvs2Very Very Slightly Included 2
    • vs1Very Slightly Included 1
    • vs2Very Slightly Included 2
    • si1Slightly Included 1
    • si2Slightly Included 2
    • i1Included 1
    • i2Included 2
    • i3Included 3