Suggestions For Presenters

Regardless of the format, a successful presentation is based on having relevant, interesting information to offer. Proper methodology, meaningful comparisons, and well-documented work are just as important for a presentation as for a published work. Sufficient preparation is a key element. Plan to take several weeks to gather materials, prepare graphics and photos, and (if applicable) design your slides or poster.

Remember the 2018 Symposium will draw a wide audience from business and science backgrounds. There will be researchers, jewelers, gemologists, appraisers, miners and students attending. If you are presenting information on a specialized topic, be sure to explain its practical application or relevance to a wider audience.


Your abstract acceptance email included the date/time of your presentation and whether you have been scheduled for a talk or a poster. All presenters, oral or poster, must register to attend the GIA Symposium.

Oral Presentations

  • The length of an oral presentation is 20 minutes, with up to five minutes for questions and answers. Please rehearse your talk and time it to 20 minutes.
  • As a general rule of thumb, each slide should appear onscreen for about one minute.
  • If your presentation contains video, please keep it brief.
  • All session rooms will be equipped with a PC using Microsoft PowerPoint presentation software. If you created your presentation on a PowerPoint for Mac, we urge you to test the conversion to PC before coming to the Symposium.
  • Presentations should be prepared using a 16:9 aspect ratio (widescreen format).
  • For best results, choose commonly used fonts such as Arial, Times New Roman, Calibri, and Verdana.
  • GIA will assign a coordinator who will help schedule your visit to the Speaker Ready Room well in advance of your session. A technician in the Ready Room will run through the presentation with you and make sure everything works properly.

Poster Presentations

  • You will be provided with a horizontal display board with a presentation area of 44 in. tall × 91 in. wide (111.76 × 231.14 cm). Your poster can be tacked to the board or attached using stick-on Velcro. Tacks will be provided, but please bring your own Velcro.
  • Please check to see what time and date your poster will be on display and when you will need to be on hand to present it to viewers.
  • Your poster presentation should include:
    • A statement of the subject or problem
    • Why you studied it
    • Your study methods
    • Results
    • What conclusions were drawn
  • The poster title should be clearly legible from several feet away. We recommend 250–300 point type for titles, with 48–72 point subheadings. For body text, type size should be no less than 18 points.
  • Clearly identify yourself and your affiliation on the poster.
  • Illustrations and text should be neatly and logically arranged.
  • Be prepared to talk with viewers and answer questions.

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