enow.com Web Search

  1. Ads

    related to: is igi certified diamond worth it reddit

Search results

  1. Results from the WOW.Com Content Network
  2. International Gemological Institute - Wikipedia

    en.wikipedia.org/wiki/International_Gemological...

    IGI provides independent grading reports, colored stone reports, identification and appraisal reports, diamond authentication and attestations of origin, and laser inscription services. They also offers diamond and colored stone courses through IGI's Schools of Gemology. [7] Graduates from the IGI school of Gemology are awarded an IGI Diploma.

  3. WD Lab Grown Diamonds - Wikipedia

    en.wikipedia.org/wiki/WD_Lab_Grown_Diamonds

    WD Lab Grown Diamonds first 5 carat round brilliant diamond was graded by International Gemological Institute (IGI) on June 1, 2016. [3] On May 22, 2018, WD Lab Grown Diamonds announced that they had produced at 9.04 carat gem-quality diamond (graded as I color VS2 clarity IDEAL cut), eclipsing their previous record of 6 carats (January 2018 ...

  4. Gemological Institute of America - Wikipedia

    en.wikipedia.org/wiki/Gemological_Institute_of...

    GIA was also responsible for the first modern diamond grading reports, where it introduced grading methodologies for diamond color and diamond clarity. Current research at gemological laboratories concerns the development of improved detection techniques for treated and synthetic diamonds, as well as for treated sapphires, rubies and pearls.

  5. Diamonds as an investment - Wikipedia

    en.wikipedia.org/wiki/Diamonds_as_an_investment

    In early 2025 diamond prices had dropped significantly from a peak in 2022; prices of natural gems in shops dropped by 26% by the beginning of 2025. Laboratory-grown diamonds had dropped by 74% since 2020. Prices were expected to continue decreasing. De Beers had started 2024 with US$2bn worth of diamonds, which it had not sold by the end of ...

  6. Recycled diamond - Wikipedia

    en.wikipedia.org/wiki/Recycled_diamond

    A diamond laboratory, such as GIA, AGS, EGL USA or IGI, certifies larger diamonds, and these diamonds are sold individually, directly to the public or to jewelry retailers and diamond dealers. [6] According to an independent diamond analyst, the global diamond market saw a huge change in the demand for recycled diamonds.

  7. Diamond color - Wikipedia

    en.wikipedia.org/wiki/Diamond_color

    Color grading of diamonds was performed as a step of sorting rough diamonds for sale by the London Diamond Syndicate. As the diamond trade developed, early diamond grades were introduced. Without any co-operative development, these early grading systems lacked standard nomenclature and consistency. Some early grading scales were; I, II, III; A, AA, AAA; A, B, C. Numerous terms

  8. Diamond clarity - Wikipedia

    en.wikipedia.org/wiki/Diamond_clarity

    Diamond clarity is the quality of diamonds that relates to the existence and visual appearance of internal characteristics of a diamond called inclusions, and surface defects, called blemishes. Clarity is one of the four Cs of diamond grading, the others being carat , color , and cut .

  9. Diamond enhancement - Wikipedia

    en.wikipedia.org/wiki/Diamond_enhancement

    The clarity, or purity, of a diamond refers to internal inclusions of the diamond, and is one of the 4-Cs in determining a diamond's value.Common inclusions that appear inside diamonds are black carbon spots and small cracks, commonly referred to as fractures or "feathers", due to their feathery whitish appearance when viewed from above or through the side.

  1. Ads

    related to: is igi certified diamond worth it reddit