Activity

2019

• RESEARCH ON THE SAPPHIRE AUCTION MARKET IN CHINA BASED ON DATA ANALYSIS
  T269 Gemological Research in the 21st Century—Gem Minerals and Localities (Posters)
  Wednesday, 25 September 2019

  9:00 AM - 6:30 PM

  Hall AB, North Building
• A BRIEF ANALYSIS OF THE GENERAL SITUATION AND PRICE INFLUENCING FACTORS OF PINK AND BLUE DIAMONDS IN AUCTION MARKET
  T269 Gemological Research in the 21st Century—Gem Minerals and Localities (Posters)
  Wednesday, 25 September 2019

  9:00 AM - 6:30 PM

  Hall AB, North Building