How To Identify Diamond Jewelry


Diamond jewelry is a classic, timeless piece that can be incorporated into almost any style wardrobe. But with so many types of diamond jewelry, it’s hard to determine which pieces are worth wearing — and which ones aren’t. To understand how to identify a quality diamond piece, you must first learn what separates good diamonds from poor ones. That all comes down to the 4C’s of diamonds: Carat, Cut, Color, and Clarity.

Carat is the unit used to measure a diamond’s weight. A one-carat diamond is equal to 200 milligrams, or 0.2 grams. The larger the carat size of a diamond, the more valuable it typically becomes — making carat size an important factor in determining quality and price range when it comes to diamond jewelry.

The cut of a diamond refers to its shape and angles within that shape. This determines how sparkling and brilliant it appears — although other factors such as clarity influence this too! Diamonds cuts come in various shapes such as round, oval, marquise and princess-cut stones, just to name a few. No matter the shape, cuts should always be symmetrical and properly proportioned for maximum visual impact.

Color is another element that plays into the value of a diamond jewelery piece — although not all diamonds carry color or need color grading tests in order to distinguish their quality from other pieces on the market (in the case of fancy cut colored stones for example). Generally speaking though pure white diamonds are considered valuable and given higher grades on their relative color scales than yellows or browns for example because they allow for maximum light return + sparkle in comparison.

Finally there is clarity – which probably has the most complex science behind its grading processes due to its rare properties found within various stones from across the world — each with tiny imperfections in visibility that create varying levels


Diamond clarity refers to the absence of inclusions or blemishes on the surface and within a diamond. A diamond is typically graded based on apparent clarity, meaning that an external flaw can be easily seen with the naked eye.

When identifying diamond jewelry, you should note where it falls on the clarity scale. The Gemological Institute of America (GIA) has established eleven distinct grades of clarity that range from Flawless (FL) to Included (I3).

The highest rankings on the scale are: FL, Internally Flawless (IF), Very Very Slightly Included (VVS1) and VVS2. These diamonds are considered perfect as far as inclusions and blemishes go, with even 10x magnification unable to locate any flaws.

The middle rankings include Slightly Included 1 (SI1), SI2, and I1. SI1 diamonds will have minor inclusions that are mostly visible under a 10x magnifier only when tilted in specific directions which could include feathering or clouds of tiny white spots. SI2 diamonds meanwhile have minor inclusions that are still visible at 10x magnification but may not appear when during normal observation because they tend to be buried deep within the diamond. I1 diamonds have noticeable inclusions under 10x magnification as well as having some imperfections visible at normal observation stage when compared to other stones of similar value.

At the bottom ranks on the scale we have I2 and I3 diamonds, which are largely included that feature large surface-reaching fractures inside them or major black carbon deposits visible with the naked eye. As such these stones typically represent a fraction of what other much higher grade stones cost due to their decreased beauty despite being substantially larger cuts than their higher quality counterparts which makes them a great option for those with smaller budgets who still wish to make a big splash without breaking their bank accounts..

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When purchasing diamond jewelry, it’s important to understand the benefits of different cuts. Below are a few examples and their general characteristics:

•Round Brilliant Cut: The most popular cut for diamonds across the world – this style offers maximum brilliance and sparkle.

•Princess Cut: A modern and versatile square-shaped style designed to maximize light return and clarity; this is often found in contemporary engagement rings.

•Cushion Cut: A classic cut with rounded corners, creating an elegant and romantic look while still providing good brilliance – often combined with halo designs to increase its impact.

•Oval Cut: Characterized by its elongated shape, this style is similar in brilliance to the round diamond but creates a larger surface area when mounted.

•Emerald Cut: Perfect for larger stones, this cut features stepped facets and long lines that provide added clarity to the stone’s unique gemology.

•Marquise Cut: Designed as an elongated football shape, the marquise accentuates size while still offering great value.

Knowing what these cuts offer can help you pick out a piece that reflects your own eye-catching fashion statement!


Carat is the unit of measurement used for diamonds. It can have a large impact on the jewelry quality, size and rarity of a diamond or piece of jewelry. The larger a diamond is, the rarer it will be and generally speaking, the more expensive it will become. Each carat weighs 0.2g, so if a diamond was 4 carats it would weigh 0.8g in total, whereas an 8 carat diamond would weigh 1.6g. In addition to this, as diamonds increase in weight they also tend to become more valuable per carat and so although larger diamonds may appear more expensive at first glance, they often offer better value for money in terms of price per carat. For example, diamonds with a one-carat weight are typically priced between $3,000 and $20,000 per stone depending on shape and other factors however you usually get about double the price for each additional carat which means that two-carats could cost up to $40,000 when all else is taking into consideration such as cut and clarity


When it comes to evaluating the value of diamond jewelry, one of the most important factors to consider is its color. In the jewelry industry, diamonds are graded on a scale from D (Colorless) to Z (Very Light) for white diamonds and Fancy for colored diamonds. The closer a diamond is to being completely colorless, the higher it will be valued and thus more expensive compared to a grayish-yellowish hue diamond.

Colorless diamonds are highly desirable because they are clearer with less hints of body color, thus creating a brilliance that reflects light better and creating more sparkle. As you move down in the grading scale, the diamond’s clarity begins to suffer; yellowish discoloration becomes visible in some parts of the diamond along with decreased quality in fire and brilliance.

The transparency of gems can also be affected by their cut grade; well-cut stones will increase their brilliance with however small flaws they may have while poorly cut stones can make certain flaws inclusions more noticeable for less clarity. A good guideline is that a larger stone should have a better color clarification since there’s more visible surface area for potential discoloration. On the other hand, due to smaller size, lower carat diamond jewelry can get away with minimal body color imperfections without severely impacting its sparkle and clarity overall.

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A certificate is an important document that verifies your diamond jewelry is genuine. It certifies that the piece of jewelry has been inspected by a qualified gemologist and accurately describes the characteristics of each diamond, including its cut, color, clarity, weight and other physical properties. It also provides information on where the diamond was sourced from.

When buying a diamond it is important to ensure the certificate comes from a respected source such as the GIA (Gemology Institute of America), EGL or IGI (International Gemological Institute). Reputable Certificates typically include detailed information about the stone’s features such as the shape and size, weight, color and grade ratings for clarity, polish and symmetry. The appraiser may also make note of any additional treatments or enhancements that have been performed on the stone.

When you receive your certificate it is important to read through it carefully to verify that all information matches up with what you have purchased. Additionally verifying an online copy of certificates can be done through sorting organizations such as GIA’s verification services: Check My Gem™ or Diamond Foundry™ or EGL’s Verify +® service. It is also recommended that you take your stones for professional appraisal periodically in order to monitor their condition for accuracy and to keep updated certificates in case anything changes or needs additional validation later down the line.


When it comes to properly cleaning and caring for your diamond jewelry, there are a few main steps you should follow.

Firstly, make sure to clean your diamond jewelry with a solution of warm water mixed with a mild liquid soap and a soft lint-free cloth. This will help maintain the clarity and sparkle of the stone. Be careful not to use an abrasive cloth as this can easily scratch or dull the gem’s surface. It is recommended that you place your diamond jewelry in separate compartments within the box to avoid scratching it against other pieces of jewelry and loose stones.

Secondly, when not wearing your diamond jewelry, store it safely away from high heat, sunlight and humidity which can cause fading and discoloration over time. Make sure that the storage location you choose is not prone to moisture or any form of water leakage. To ensure further protection of your diamond jewelry, invest in good quality locking mechanisms such as combination locks or cable ties which can be attached to the box for added security.


Research and inspection are key components to identifying quality diamond jewelry. It is important to research the particular style of diamond you are interested in and find out what the best options are for your budget, stone size, and other factors that may influence your purchase. Before buying a diamond piece, it is also essential to inspect it and verify that it meets all quality assurances such as clarity, carat weight, cut, and color. Furthermore, asking questions of a knowledgeable jeweler can help ensure that you get the most out of your diamond jewelry purchase.

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