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Using a jeweler’s loupe

Many people have their own jeweler’s loupe these days and love to look at their jewelry with it. Unfortunately not everyone is taught how to use a loupe properly. Using a loupe is not terribly difficult, but using it properly can really help you examine your own jewelry for identifying characteristics, cracks, chips, or other damage without having to run to the jeweler every time to smack your ring on something hard. Before we look at how to use a loupe though, I would like to explain some of the characteristics of loupes so that you can select a quality magnifier for your own use.

Selecting a loupe:
The first thing to look at is the magnification. Loupes can be found with 2x magnification up to 30x, or even more, magnification. For our purposes it is best to use a 10x loupe since this is the magnification that is used by the gem grading labs to grade diamonds. Less magnification may not show enough detail, while more magnification may give you an unrealistic expectation.

The next thing to look at is the number of lenses a loupe has. The inexpensive loupes tend to have a single lens. These are fine for casual use, but may introduce focus and clarity issues. A triplet loupe has three lenses that correct your magnification to present the clearest possible view and help correct any color issues that may be introduced by reflected light.

And finally, your loupe should also have a black body. The black helps cut down on reflections and does not introduce any color like a silver or gold loupe body may.

Using a loupe:
The biggest mistakes that most people make is not resting the loupe against something to steady their field of view and moving the loupe around. Both mistakes make it difficult to get a consistent and focused view.

Using a loupe really is a simple thing to learn but may take many tries to master. The first thing that you want to do is open up your loupe and hold it up to your eye. I like to hold mine no farther than an inch away. Rest a finger or the back of your hand against your face to help you keep the loupe stable and relaxed.

Now we bring the object we want to view into our field of view. With many loupes you will need to bring the ring, or diamond, within an inch or two of the loupe. Do not move the loupe around, move just the gemstone you are viewing to bring it into view and to focus on exactly what you want to see. That’s it. It really is that simple.

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Jewelry References

  • Jewelry Information Center (JIC) Jewelry Information Center (JIC) is the public relations arm of the fine jewelry and watch industries. Founded as a non-profit trade association in 1946 in New York City, JIC is funded by its members (nearly 1,000 manufacturers, designers, and retailers o Jewelry Information Center (JIC) is the public relations arm of the fine jewelry and watch industries. Founded as a non-profit trade association in 1946 in New York City, JIC is funded by its members (nearly 1,000 manufacturers, designers, and retailers o
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  • AGS Laboratories AGS Laboratories is the world’s premier diamond grading laboratory for diamond cut, the first diamond laboratory to offer a diamond cut grade based on proven science and the first laboratory to offer cut grading for fancy shapes including princess, emeral AGS Laboratories is the world’s premier diamond grading laboratory for diamond cut, the first diamond laboratory to offer a diamond cut grade based on proven science and the first laboratory to offer cut grading for fancy shapes including princess, emeral
  • Cultured Pearl Association of America The Cultured Pearl Association of America, Inc is a non profit group founded in 1957, comprised of the finest manufacturers, wholesalers, dealers and suppliers of Cultured Pearls in the United States.  Our intention is to “cultivate” awareness, interest, The Cultured Pearl Association of America, Inc is a non profit group founded in 1957, comprised of the finest manufacturers, wholesalers, dealers and suppliers of Cultured Pearls in the United States. Our intention is to “cultivate” awareness, interest,
  • American Gem Labs (AGL) American Gemological Laboratories (AGL) is an international gemstone testing facility specializing in comprehensive colored gemstone analysis. AGL provides identification reports, detailed enhancement reports, country-of-origin or provenance reports, as w American Gemological Laboratories (AGL) is an international gemstone testing facility specializing in comprehensive colored gemstone analysis. AGL provides identification reports, detailed enhancement reports, country-of-origin or provenance reports, as w
  • The World Jewellery Confederation CIBJO is an international confederation of national jewelery trade organizations. CIBJO’s purpose is to encourage harmonization, promote international cooperation in the jewelery industry, and to consider issues which concern the trade worldwide. CIBJO is an international confederation of national jewelery trade organizations. CIBJO’s purpose is to encourage harmonization, promote international cooperation in the jewelery industry, and to consider issues which concern the trade worldwide.
  • AGTA Gem Industry Guide The AGTA is recognized within the jewelry trade as the authoritative source on natural colored gemstones: “The voice of the natural colored gemstone, pearl and cultured pearl industries.” The AGTA is recognized within the jewelry trade as the authoritative source on natural colored gemstones: “The voice of the natural colored gemstone, pearl and cultured pearl industries.”
  • Gemological Institute of America (GIA) Established in 1931, GIA is the world’s largest and most respected nonprofit institute of gemological research and learning.  GIA discovers (through GIA Research), imparts (through GIA Education), and applies (through the GIA Laboratory and GIA Instrument Established in 1931, GIA is the world’s largest and most respected nonprofit institute of gemological research and learning. GIA discovers (through GIA Research), imparts (through GIA Education), and applies (through the GIA Laboratory and GIA Instrument
  • Platinum Guild International The Platinum Guild International is the official website for platinum jewelry; offering advice and information, design inspiration, and where to find a recommended platinum retailer in your area. The site is brought to you by Platinum Guild International, The Platinum Guild International is the official website for platinum jewelry; offering advice and information, design inspiration, and where to find a recommended platinum retailer in your area. The site is brought to you by Platinum Guild International,
  • The Silver Institute The Silver Institute is a nonprofit international association that draws its membership from across the breadth of the silver industry. This includes leading silver mining houses, refiners, bullion suppliers, manufacturers of silver products and wholesale The Silver Institute is a nonprofit international association that draws its membership from across the breadth of the silver industry. This includes leading silver mining houses, refiners, bullion suppliers, manufacturers of silver products and wholesale
  • World Gold Council Founded in 1987, the World Gold Council is an organization formed and funded by the world’s leading gold mining companies with the aim of stimulating and maximising the demand for, and holding of Gold. Founded in 1987, the World Gold Council is an organization formed and funded by the world’s leading gold mining companies with the aim of stimulating and maximising the demand for, and holding of Gold.

Jewelry Titans

  • Tiffany & Company The year was 1837. Charles Lewis Tiffany and his schoolmate John Young traveled from New England to New York City with an idea and a dream that were to become Tiffany & Co. While the first day of business brought a mere four dollars and 98 cents, the The year was 1837. Charles Lewis Tiffany and his schoolmate John Young traveled from New England to New York City with an idea and a dream that were to become Tiffany & Co. While the first day of business brought a mere four dollars and 98 cents, the
  • Harry Winston Harry Winston always possessed a gift; he had an eye for the best gemstones and a nose for what the customer wanted. Winston is still known for exquisite jewelry. His name is still linked to some of the most beautiful jewels and settings in the world. Harry Winston always possessed a gift; he had an eye for the best gemstones and a nose for what the customer wanted. Winston is still known for exquisite jewelry. His name is still linked to some of the most beautiful jewels and settings in the world.
  • Cartier Louis Francois Cartier the son of a powder horn maker, founded Cartier in 1847; the year his workshop master Adolphe Picard died. Cartier would take over Maitre Picard’s Jewelry shop located at 31 Rue Montorgueil, Paris. Louis Francois Cartier the son of a powder horn maker, founded Cartier in 1847; the year his workshop master Adolphe Picard died. Cartier would take over Maitre Picard’s Jewelry shop located at 31 Rue Montorgueil, Paris.
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