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WBAW? Diamond Ring Buying Guide Terms & Abbreviations
Table of Contents

Diamond Abbreviations


OEC - Old European Cut; popular style of diamond cut circa 1900-1940's. Same number of facets (58) as Modern Brilliant Cut. Slightly different proportions of angles, which produces a lively mosaic of reflected light. OEC diamonds have a somewhat higher crown, smaller table, and open culet. Well cut OEC diamonds are brilliant and lively.

RBC - Round Brilliant Cut; also called “Modern Round brilliant.” Modern style of diamond cut popularized in 1950’s. Characterized by narrow planes of reflected light, due to the proportions of angles, designed to maximize reflection. Also has larger table, closed culet, and shallower crown than OEC.

OMC - Old Mine Cut; style of diamond cut circa 1890-1930’s. Represents earlier cutting techniques, characterized by very high crowns, cushion shape rather than round, larger open culet, and smaller table. OMC stones are more prevalent in mountings from the turn of the century through the 1920’s. Frequently not distinguished from OEC, both of which are referred to as “early rounds.”

Rose Cuts-Early cut of diamonds characterized by faceted domed top and flat back (no pavilion facets)

Asscher Cut - Antique style of cut, similar to Emerald Cut. But square rather than rectangular, with 3 faceted steps on the top and bottom. Currently experiencing a revival of interest due to the great popularity of the antique styles of diamond engagement rings.
Emerald Cut - Rectangular cut of diamond with stepped facets and angled corners. Since the stone is mostly transparent, with a very large table and relatively few facets to reflect and bounce light, these are usually cut only from better quality, very clean rough.
Cushion Cut - a squarish cut with rounded corners, shaped like a “seat cushion.” Often associated with antique jewelry.

Princess Cut or Radiant Cut - modern cut of diamond characterized by a square shape. Has a large table and faceted bottom, like that of a MBC to increase brilliance.

SC - Single Cut; style of cut of smaller round or accent diamonds. Characterized by fewer facets (17). Often used in small melee of up to 3-4 points in size to maximize brilliance of smaller stones.
(see melee)

Baguette - small, rectangular shaped accent stone. Comes in either straight or tapered cuts.

French Cut - small baguette or square accent stones with
additional diagonal facets on the table.

Melee - smaller, usually round, diamonds that accent a piece of jewelry, generally less than .05 carats per stone. Sometimes referred to as “chips,” however, they are cut diamonds, either full or single, but in smaller sizes.
CA - circa; refers to period of origin. Determined by a date on a piece, or by the style or type of craftsmanship.
Estate Jewelry - refers to any jewelry which is pre-owned, commonly mistaken to mean the item was the former property of a wealthy elderly person. Generally associated with antique jewelry.

Antique Jewelry - Technically refers to jewelry 100 years old. However, the term is commonly used to refer to jewelry from an earlier era, usually often characterized by a more decorative style of ornamentation, craftsmanship, or design.

EGL - European Gemological Lab. An independent diamond grading lab.

GIA - Gemological Institute of America. An independent diamond grading lab.

Diamond Terminology


Table - the top, flat, polished surface of a diamond

Girdle - the perimeter, or diameter, of a cut diamond

Crown - the top 1/2 of the diamond, above the girdle

Pavilion - the bottom part of the diamond, below the girdle

Culet - the junction of facets on the bottom of a cut diamond. Comes to a point on RBC, polished flat on OEC and OMC. When looking down through the table of an early round, there appears to be what is mistakenly referred to as a “hole.” However, this is the polished flat culet.


Characteristics that determine diamond value…


Clarity - the extent to which a diamond viewed under a 10 power magnification contains visible inclusions. Most diamonds have imperfections. Diamond value is affected by the extent to which the imperfections detract from the beauty of the stone. SI, which stands for “Slightly Included,” is a very popular grade because it has only small imperfections which are invisible to the unaided eye.

Color - the presence or absence of color in a diamond. Color is ranked on an alphabetical scale starting with the letter “D” being colorless. Most people will perceive color grades to the letter J to be white stones. Stones grading K or L (and lower) display color that most people can perceive. Color grade differences usually affect diamond prices more than clarity grades.

Carat - refers to the weight of the diamond. Carat weight can be represented as a fraction, e.g.1/2 carat, or as a decimal 0.50 carats. Carat weights also can be referred to as "points". Like 100 cents to a dollar, there are 100 points to a carat.

Cut - has two meanings, the shape of a stone but here we refer to the “make” of a stone. Make refers to how well proportioned the stone is to maximize the reflected light, Make is the the single most important characteristic that determines the beauty of a diamond. A well-made diamond is lively and brilliant, and this can be seen with the naked eye in the brilliance and sparkle of the diamond. Make is a very important component of the criteria used in our selection of diamonds at WBAW?


Clarity Enhanced and Laser Drilled Diamonds

Clarity enhanced diamonds contain black carbon embedded in the stone which is laser drilled then acid soaked to dissolve the black carbon. This technique improves the appearance of the stone, while leaving a minute drill hole in the stone. Fracture filled diamonds contain fractures and cracks which have been filled with a molten glass material to reduce the appearance of those fractures. Both of these methods improve the appearance of a diamond. Laser drilling is permanent, wheras fracture filling can be compromised by heating. It is perfectly legal to sell both clarity enhanced and laser drilled diamonds. It is unlawful however to do so without disclosure. WBAW? does not sell clarity enhanced or fracture filled diamonds.

WBAW? Diamond Ring Guarantee

WBAW? Guarantees the accuracy of statements made regarding diamond rings offered for sale. We guarantee the weights of the stones, as well as the color and clarity grades. Diamonds of 1 carat or greater, as well as diamonds of particularly high grade come with grading certificates from independent diamond grading labs such as EGL or GIA. Representations of the age of a mounting are based on our best estimate of the style and construction of each particular piece. We will never knowingly misrepresent a piece as vintage or antique. Rings and other jewelry items that are newly made in the antique style are identified as part of our “Vintage Nouveau” collection.


Colored Stone Notification

It is a common and accepted practice in the jewelry industry to heat-treat colored gemstones, such as sapphires and rubies, in order to enhance their color or clarity. Emeralds, for example, are invariably oiled or polymer filled. Colored gemstones offered for sale by WBAW? have not all been tested for color enhancement. Colored gemstones that we know to not have been enhanced are identified in our descriptions as “natural.”


Genuine and Synthetic Stones

Synthetic stones are created in a lab and have the same physical properties as naturally occurring gemstones. Synthesized stones have been in circulation since before the turn of the last century, so age alone does not indicate authenticity. Use of synthetic stones as accents has long been a common practice for better control of color matching. WBAW? identifies stones which may not be genuine by the designation “synthetic,” or “untested.”


Pricing structure

Our pricing are based on quality, condition, scarcity and desirability of the merchandise. We seek to provide you with the best quality and at prices that offer exceptional value. We don’t make false claims about unrealistic appraisal values, nor do we put inflated prices on our pieces in order to pretend to give you a huge discount.
Customer Service

Our approach at WBAW? is to offer you an exceptional selection of quality mercandise, priced fairly and realistically. We know the importance of the relationship with the salesperson when you are shopping for a diamond ring, and therefore offer you friendly, personable and knowledgable, noncommissioned salespeople, in a relaxed and unpressured environment. These are the ways we distinguish ourselves from the other sellers. We want you to fall in love with one of our rings, and we want you to tell your friends.





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Wanna Buy a Watch? specializes in the finest vintage and contemporary watches, antique platinum diamond engagement rings, antique and classic wedding bands for men and women. We are specialists in collectible Rolex watches. We are authorized dealers for Hamilton and Dubey & Schaldenbrand watches. We are conveniently located at 8465 Melrose Avenue just east of La Cienega, in the heart of West Hollywood in Los Angeles. Please feel free to browse our catalogs or visit our store in Los Angeles. Our store hours are located on the "Contact Us" page.