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Creator of the 4Cs of grading and the leading research and education center for and . Nonprofit GIA does not sponsor or endorse.

Carlsbad CA
Vrijeme pridruživanja: kolovoz 2009.

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  1. prije 21 sat

    The new GIA Diamond Origin Report tells you which country your is from and provides a 4Cs assessment of your diamond’s quality. Only select diamonds qualify. Learn more:

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  2. prije 23 sata

    Happy ! Are you rooting for the 49ers or the Kansas City Chiefs? Comment below. Courtesy: NFL

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  3. 1. velj

    Amethyst is the 6th wedding anniversary gem. Wear it to celebrate your nuptials or as your . : Catherine the Great had a thing for amethyst. Learn more: Photo: Valerie Power/GIA. Courtesy: Gem Center Northwest

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  4. proslijedio/la je Tweet
    1. velj

    Join GIA’s Dr. James Shigley and Aaron Palke at on February 7 at 9:00 a.m. at the Tucson Convention Center. They’ll share insights on industry developments and important GIA research.

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  5. 1. velj

    Join GIA’s Dr. James Shigley and Aaron Palke at on February 7 at 9:00 a.m. at the Tucson Convention Center. They’ll share insights on industry developments and important GIA research.

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  6. 31. sij

    Running out of ideas for the perfect gift? Let us offer some inspirations: stud . Here are some tips to picking the perfect pair. Courtesy: evelynH. Jewelry Inc.

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  7. 31. sij

    If you know someone with a January birthday, give the gift of . Before you shop, you'll want to read up on our Garnet Buying guide. Learn more here: Photo: Jeffrey Mason. Courtesy: Philip Zahm Designs

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  8. 30. sij

    We’re LIVE at GIA in Carlsbad with Wim Vertriest, GIA’s supervisor of field . Hear about all aspects of Mozambican , including the development of the mining area, market response, gemological characteristics and common treatment procedures.

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  9. 30. sij

    A bow-motif shows her what a gift she is. are pledges of love and commitment. They also symbolize hope for a relationship’s future development. Learn more about promise rings on our blog. Courtesy: Robbins Brothers

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  10. 30. sij

    ? gets its color from the trace element chromium. The more chromium it contains, the stronger the red color. Composite: Tom Kwoilk

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  11. 30. sij

    Tomorrow at GIA in Carlsbad, join us for a panel on Mozambican with Wim Vertriest, GIA’s supervisor of field . Can’t attend in person? Tune in live on at 3:15 p.m. PST!

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  12. 30. sij

    GIA will offer three seminars at : Identifying Laboratory-Grown Diamond, Non-Transparent Gemstones and Colored Stone Treatments. Interested in attending? Complete the form here: or contact GIA Admissions at +1 800 421 7250 ext 4001.

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  13. 29. sij

    The GIA iD100® distinguishes natural diamonds from laboratory-grown (HPHT and CVD) diamonds and diamond simulants. With the new GIA iD100 Pink Diamond Software Upgrade, this gem testing device can also screen pink diamonds. Learn more:

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  14. 29. sij

    GIA issues two types of reports for loose, strung or mounted natural or cultured pearls: Identification and Classification Reports. Learn what each report offers and the differences between the two! Photo: Robert Weldon/GIA

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  15. 29. sij

    Visit GIA at on 2/5 at 9:00 a.m. in the Mohave Room for a free presentation on Mozambican Rubies. Hear about all the facets of Mozambican ruby, including the development of the mining area, market response and more.

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  16. 27. sij

    The magical quality of is the central metaphor of the movie “” starring Adam Sandler. A giant piece of Ethiopian opal, still in the rocky matrix where it formed, dominates much of the film. Learn about the different kinds of opal and more.

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  17. 27. sij

    In GIA's Pearl Grading lab class, you'll learn how to buy and sell akoya, South Sea, Tahitian and freshwater with insight and skill.

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  18. 27. sij

    The new GIA Diamond Origin Report tells you which country your diamond is from and provides a 4Cs assessment of your diamond’s quality. Knowing where your diamond is from helps you understand the good that your diamond does in its community. Learn more:

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  19. 27. sij

    Curious about your garnet’s reputed health benefits? According to Indian astrology, garnet helps eliminate negative feelings and instill greater self-confidence and mental clarity to promote creative thinking and peace of mind. Courtesy:

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  20. 26. sij

    Do you or someone you know dream of studying at GIA? Stop by GIA’s booth at to learn more about 2020 GIA Scholarships for GIA’s on-campus programs, Distance Education (eLearning) and lab classes. The application deadline is March 31.

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