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2017 Vegas Outlook: Decent, But Cautious, Buying
Buyers at the 2017 JCK Show will likely stick to their open-to-buy plans, but take few chances on new lines or extra stock. Plus: An overview of retail sales, auction headlines.
Diamond History and Lore
Chow Tai Fook Expands Blockchain Initiative with GIA
Chow Tai Fook and GIA offer secure digital blockchain reports that document the diamond journey and grading information in one place.
Extraordinary Large Bicolor Natural Rough Diamond
A 37.41 ct natural rough diamond with distinct pink and colorless zones is examined at GIA’s Botswana laboratory.
Solid Laboratory-Grown Single-Crystal Diamond Ring
The quality and size of this 4.04 ct CVD-grown diamond ring demonstrate the advancing technology in laboratory-grown diamonds.
CVD Diamond Over 34 Carats Examined in GIA’s Hong Kong Laboratory
A look at the largest CVD diamond GIA has encountered to date.
The Type IIb De Beers Cullinan Blue Diamond
GIA’s New York laboratory reports on a 15.10 ct (17.47 × 11.53 × 7.94 mm) Fancy Vivid blue cut-cornered rectangular step cut named the De Beers Cullinan Blue diamond.
New Record Size for CVD Laboratory-Grown Diamond
GIA’s New York laboratory reports a new record size for CVD laboratory-grown diamond.
Historical Reading List: Diamond and Carbonado from Brazil (Part 2)
Historical Reading List: Diamond and Carbonado from Brazil (Part 1)
GIA Researchers Evaluate ‘Light Performance’ and Diamond Cut
“Light performance” gets a lot of loose use in the diamond trade, but what does it mean when someone is actually looking at a diamond?









