Facts about Types of Diamond Cuts

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Facts and figures about different types of diamond cuts are presented in this document by Accredited Gemological Institute.Address: 37 W 47 Street,Suite 503 , New York,NY 10036; Phone: 212-302-3700; Website:http://aginewyork.com


  • Types of Diamond


  • What is Diamond Cut?

    The diamond cut is a style or design guide used when shaping a diamond for polishing such as the brilliant cut.

    Cut does not refer to shape (pear, oval), but the

    symmetry, proportioning and polish of a diamond. The

    cut of a diamond greatly affects a diamond's brilliance;

    this means if it is cut poorly, it will be less luminous.

    (Source: WikiPedia)

  • Diamond Cuts and Shapes


  • Round Diamonds

    The round cut diamond is

    the most popular diamond

    shape. Virtually all round

    diamonds are brilliant-cut,

    meaning they have 58

    facets (57 when there is no


    (Source: AGI NewYork)

    Introduced by: Marcel Tolkowsky in 1919

    Number of Facets: 58 95% of diamonds sold

    globally are round.

  • Princess Cut Diamonds

    Introduced in 1980s

    Ideal length width ratio: 1.1

    They are cheaper

    The Princess cut is the

    second most popular cut

    shape for diamonds, next

    to a round brilliant(aka

    round diamonds) and is

    the most popular fancy

    diamond shape. It was

    created in 1960s.

  • Oval Cut Diamonds Oval diamonds are a

    modified brilliant-cut (like

    virtually all round cuts).

    Because the two shapes

    possess a similar fire and

    brilliance, the oval is an

    ideal choice for a customer

    who likes the look of a

    round diamond, but wants

    something more unique.

    (Source: Lumera


    Created by Lazare Kaplan in the 1960's

    Ideal ration b/w length and width 1.75-2.25

    No of facets: 58 It may exhibit a bow-tie

    effect across the center

  • Marquise Diamonds

    This type of diamond cut is

    similar to Oval Shape. The

    standard number of facets is

    58, but can have a varying

    number of pavilion main

    facets ranging from 4, 6, or 8.

    (Source: Vashi.com)

    Was developed for King

    Louis XIV of France who

    wanted a diamond that

    simulated the smile of

    Marquise de Pompadour.

    Ideal length width ratio:1.75-2.25

    Posses some degree of bow tie.

    One of the largest crown surface areas

    of any diamond shape

  • Pear Shaped Diamonds

    Pear shape is not one of

    the most popular shapes

    these days. The standard

    number of facets of a

    Pear shaped diamond is

    58, and may have a

    varying number of

    pavilion (lower) facets

    from 4, 6, 7, or 8.

    (Source: Vashi.com)

    Ideal length width ratio: 1.45-1.75

    Number of facets: 58 It exhibits a bow-tie


  • Cushion Cut Diamond

    Cushion cuts diamonds

    are square or

    rectangular brilliant cuts

    with rounded corners

    and curved sides, a

    pillow-like shape.

    (Source: Price Scope)

    It is based on cut research initiated by Marcel

    Tolkowsky in the 1920's

    Introduced on early 1800s Ideal length width ratio: 1-


    No of facets: 58

  • Emerald Cut Diamonds

    The Emerald diamond

    cut is a step cut

    rectangular shape with

    fewer facets than a

    brilliant cut. The number

    of facets in an Emerald

    cut may vary from 50 to


    (Source: Vashi.com)

    Ideal length width ratio: 1.3 1.4

    No of facets 50-58

  • Asscher Cut Diamonds

    The original Asscher cut

    design has 58 facets and

    was never patented.

    (Source: Diamonds.Pro)

    Introduced BY: Joseph Asscher in 1902

    Ideal length width ratio: 1-1.05

    Around 2002 it was introduced again after its

    1st creation

  • Radiant Cut Diamonds

    This very special cut is the

    result of one mans dream to combine the elegance of an

    Emerald Cut with the

    unparalleled brilliance of a

    Round Brilliant Cut.

    (Source: Diamond Registry)

    Introduced little more than 20 years

    Ideal length width ratio: 1-1.05

    I has bow tie effect No of facets : 70

  • Heart Shaped Diamonds

    The heart is the ultimate

    symbol of love. The

    standard number of facets

    of a Heart cut diamond is

    59, but can have a varying

    number of pavilion (lower)

    facets ranging from 4, 6, 7,

    or 8.

    (Source: Vashi.com)

    Ideal length width ratio: 0.5-1.1

    No of facets 59 Its powerful symbol of


  • Trillion Cut Diamond

    Trillion cut stones are three

    sided (triangular) cuts. The

    trillion cut used to be

    reserved for side stones only,

    but can easily hold their own

    as solitaires or are often

    featured in pairs as

    complementary center


    (Source: Wedding LDS)

    Introduced by the Asscher brothers in Amsterdam

    Was later trademarked by the Henry Meyer Diamond

    Company of New York in


    Also known as Trillions and Trilliants

    optimal length to width ratio

    for Triangular cuts is 1:1.

  • Presented by

    Accredited Gemological Institute