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Insider Tips when buying Diamonds

By 23.02 September 20th, 2018 No Comments

Marilyn Monroe, singing ‘Diamonds are a Girl’s best Friend’ epitomised the longing of women to wear diamonds! The Language of Diamonds, also known as the Four Cs (a universal grading system established in 1939), illustrates the options to be considered when making an informed decision to purchase diamonds, either as an investment or as a gift, perhaps to commemorate a special occasion. The selling of diamonds is a lucrative industry and for customers there are various options to consider so that they obtain the best diamond for their money. The factors to consider when buying a diamond are beauty, rarity and durability, over and above the Four Cs of cut, color, clarity and carat-weight, and other factors such as shape, fluorescence and enhancements, all of which contribute to a diamond’s value and unique fingerprint. Natural diamonds compared to synthetic stones meet all these standards.

A diamond grading report or certificate gives an assessment of a diamond’s quality and confirms whether or not the stone is natural or synthetic. Always ask for an independent diamond grading report from an accredited gemologist when purchasing gem stones; an appraisal will give the gem’s monetary value. Secure your purchase by requesting that the diamond’s report number is laser-inscribed on the stone’s perimeter.

Cut refers to the overall proportions and shape of the stone and how its proportions and angles relate to light. The higher the cut grade, the better the diamond’s sparkle and the higher the price, and the most important of the Four Cs, as it is the only factor determined by man. A well-cut stone that sparkles can appear larger than its actual size. Badly cut diamonds appear dull and may display dark areas where light ‘leaks out’. Cutting time and experience in design and craftsmanship are critical for well-cut stones, resulting in these stones being rarer and costing more.

The most popular and traditional cut is known as Round or Brilliant and the cut scale ranges as follows: excellent / very good / good / fair / poor. Other interesting cuts are Princess (square or rectangular), Cushion (antique, classical cut), Marquis (boat-shaped), Emerald (rectangular), Oval, Pear, Asscher (square) and Heart. If a buyer is limited to a budget, then a classic solitaire brilliant diamond is the best purchase.

  • Cut refers to the overall proportions and shape of the stone and how its proportions and angles relate to light.
  • The higher the cut grade, the better the diamond’s sparkle and the higher the price, and the most important of the Four Cs, as it is the only factor determined by man.
  • A well-cut stone that sparkles can appear larger than its actual size. Badly cut diamonds appear dull and may display dark areas where light ‘leaks out’. Cutting time and experience in design and craftsmanship are critical for well-cut stones, resulting in these stones being rarer and costing more.

 

Clarity

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Color

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Carat

The international unit of weight, used for measuring diamonds and gemstones. 1 carat is equal to 200 milligrams, or 0.2 grams.

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Clarity

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Color

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Cut

Nothing is more impactful on a precious stone’s brilliance than its cut. The cut refers to the angles and proportions of a diamond. Known in the industry as ‘fire’, referring to the coloured light reflected, and ‘brilliance’ for the uncoloured light. The cut of a diamond – its form and finish, its depth and width, the uniformity of the facets – determines its beauty. The skill with which a diamond is cut determines how well it reflects and refracts light. A diamond should be cut proportionally, neither very shallow not very deep, given its dimensions. A diamond’s cut is its most important characteristics and a measure of its apparent beauty.

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Certificate

A diamond certificate or grading report provides an expert opinion on the quality of the diamond and is provided by an independent gemology lab. Trained gemologists with specialized equipment measure the weight and dimensions of the diamond and assess quality characteristics such as cut, color, and clarity. Brilliant Earth diamonds are certified by the world’s leading gem grading labs including GIA, IGI, and GCAL.

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Depth

The height of a diamond, from the culet to the table referred as a Depth of the diamond . Depth % is the height of the diamond as a percentage of the girdle diameter.

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Table

Table referred as the largest facet of a gemstone, located at the top. Table % is the table width as a percentage of the girdle diameter.

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Polish

Polish refers to the smoothness of the exterior of a diamond. Polish is graded from Ideal, Excellent, Very Good, Good, Fair, or Poor. Polish grades of Good or higher have the least effect on the brilliance of the diamond and recommended by us for the finest quality jewelry.

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Symmetry

Symmetry refers to the angles to which the facets are aligned. Basically exactness of the shape of a diamond, and the symmetrical arrangement and even placement of the facets. If facets are misaligned, the diamond may poorly reflect light. Symmetry is graded from Excellent, Very Good, Good, Fair, or Poor. We recommends diamonds with Good or higher symmetry grades.

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Fluorescence

Describes the diamond’s response to ultraviolet light. In diamonds with strong or very strong fluorescence, there may be some interference with the flow of light which causes a milky or oily appearance. Canadian diamonds almost always have none to slight fluorescence.

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Measurements

Diamonds with “fancy” shapes are measured according to their length, width and depth. These diamonds will have a longer axis (the biggest measurement) and a shorter one that represents their width. The depth indicates the measurement of the diamond from the bottom to the top. The relative proportions of a diamond ultimately affect its quality and value.

Round-shaped diamonds are never perfectly round even though they may seem to be that way when you look at them. There is a tiny variation between maximum and minimum diameter, so dimensions are reflected as measurements of maximum diameter, minimum diameter and depth.

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