How to choose quality gemstones and gemstone jewellery

Beauty. Rare. Durability. Find out what makes coloured gemstones precious and valuable. You can express yourself with coloured gemstones. To ensure that you get the best quality gemstone jewellery within your budget, Jewelers of America has a guide for buying gemstone jewellery.

How gemstones are graded

Gemstones are similar in quality to other materials.DiamondsThey is valued differently in gemstones. For coloured gemstones, the most important is colour, while for diamonds, cut is often the most important.

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Gemstone Color

Coloured gemstones are most beautiful because of their colour. This includes purples, greens and yellows as well as oranges and reds. There are three factors that affect the colour of a gemstone:

Hue: The pure colour of the spectrum is the dominant colour. It also includes any other colours that are visible in the gem.

Tone: The color’s brightness or darkness. Tones can be classified as very light or very dark in the GIA color-grading scheme.

Saturation: The purity of the hue is called intensity.

Choose what you think is beautiful when shopping for colored gemstone jewelry. Consider looking at multiple colored gemstones to determine which one you like best. Your jeweler will be able to show you how each gemstone displays its optimal color.

Gemstone Cut

Gem cutters strive to create a harmonious and cost-effective combination of color, weight, and a stable mounting shape. Nature can limit the size of a gemstone during its creation. Large and beautiful amethysts can be found readily, but an alexandrite with large dimensions is rare.

Sparkle is a beautiful feature of well-cut colored gemstones. A colored gemstone’s cut describes its shape and how it was fashioned. Some gemstones like opal are best suited for a smooth, round surface. Some gemstones, like sapphire, can be shaped using a series of flat, symmetrical planes called facets. These create the best illumination of the gem’s colors. Convex and concave facets are also used by some cutters to shape colored gemstones like miniature sculptures.

Gemstone Clarity

Colored gemstones are beautiful because of their clarity. The beauty of a gemstone will be affected by how it reflects light. There are some gemstones that have very few internal inclusions, which can block light passage. This is the case for most pieces of Tanzanite. Some have distinctive inclusions. Some emeralds have a “Jardine”, which is a garden, making each gem unique.

Gemstone Size

Carat weight is the measurement of gemstone weight. In addition to measuring carat weight, the jewelry industry also measures color gemstones in millimeters. When matching colored gemstones in a ring, earrings, or other jewelry pieces, millimeter size must be taken into account.

Gemstone Durability

The ability of a gemstone to be fashioned, mounted, and worn depends on how durable it is. This is due to its hardness and toughness. Some gemstones such as ruby, sapphire and garnet are well-suited for daily activities and can be used in rings, bracelets and cufflinks. Some gemstones, like emeralds or pearls, require earring and necklace mountings to protect them from harm.

Gemstone Enhancements

Certain colored gemstones have natural color. For example, some garnets have satisfying hues. The final color is achieved with assistance in other colored gemstones. Since the beginning of time, people have been able to heat treat rough rubies to get a desired red color. Although not all rubies can be heat treated, the majority of them are. Gemstones with natural color are more valuable because of their rarity.

Many gemstones can be treated to enhance their beauty or obtain the size we want. These gems are often less common but can be extremely valuable. Some jewelers offer synthetic colored gemstones. Synthetic colored gemstones are made in laboratories and have the same optical, physical, and chemical properties as natural gemstones.

Colored Gemstone Jewelry

Consider the following when choosing a colored gemstone:

  • Are you a fan of the color?
  • Is the gemstone brilliance or fireful?
  • Is the light distributed evenly in the gem or is it confined to certain areas?

Many jewelers will offer loose colored gemstones, and can help you make a custom mounting. A finished piece of jewelry may be more appealing to you. Talk about how you envision wearing the piece to help your jeweler choose mountings that are compatible with your lifestyle. This will ensure the highest protection for your purchase.

You have the right of knowing what you’re buying, regardless of whether it’s a natural, enhanced, or treated gemstone or synthetic gemstone. The Federal Trade Commission (FTC), has set guidelines for jewelry. They require jewelers to disclose any treatment that isn’t permanent, creates special care requirements, and that may affect the gemstone’s price. It is also required to disclose synthetic materials. Jewelers of America members uphold a high standard of professionalism and agree to disclose all relevant information. They believe that a satisfied jewelry buyer is one who is well-informed.

Jewel Reports

Many jewelers will give you written notice when you purchase a gemstone. This is usually in the form of a note or code that explains your purchase. This information is either written on your invoice or on an information card that you receive with your purchase. Make sure you understand the meaning of any code. This information is critical to know before you leave the store. It will affect your purchase price, as well as future cleaning and repair and replacement of any insured loss.

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