Research Article Search Results
A Study of Sapphire from Chanthaburi, Thailand and its Gemological Characteristics
A report from the GIA Laboratory in Bangkok presents their findings on 59 blue sapphire samples obtained from a miner in the Khao Ploy Waen area, Chanthaburi.
Luxury Firms Adjust to the Era of Diminished Opulence
Baselworld 2017: Luxury jewelry designers rethinking blingy, gem-laden looks for more artistic designs. Pink Star diamond sells for $71 million.
US Retailers Continue to Cite ‘Challenging’ Environment, Synthetic Melee Detected
Economists recognize that the decline in middle class purchasing power is directly affecting some consumer products – including jewelry.
Sapphires from the Gem Rush Bemainty area, Ambatondrazaka (Madagascar)
The discovery of many fine quality sapphires in this area is opening a new chapter in the conflict between conservation and gem mining in northeastern Madagascar.
An In-Depth Gemological Study of Blue Sapphires from the Baw Mar Mine (Mogok, Myanmar)
GIA field gemologists visited Baw Mar operations in 2013, 2014, and 2015. In this study, we analyzed samples collected during two separate expeditions.
De Beers Optimistic as Sales Revive; Luxury Houses Remain Cautious
De Beers has largest cycle (sight) in more than two years. Luxury sales have begun to rise again after a negative year.
Emerging Designer Wins Grant to Create Ethical Brand
Designer’s frequent world travels laid a foundation of creative experimentation, design inspiration and social responsibility.
Atypical “Beading” in the Production of Cultured Pearls from Australian Pinctada maxima
In 2011, the authors began to see cases of low-quality natural pearls being used as unconventional “beads” for cultured nacre growth.
Exhibition Review: *Illuminations, from Earth to Jewel*
A review of Illuminations, from Earth to Jewel, at the Museum of Mineralogy at the ParisTech School of Mines in France.
Jaipur, India: The Global Gem and Jewelry Power of the Pink City
Examines Jaipur’s role as a colored stone cutting and jewelry manufacturing center, with profiles of 17 companies and their factory, trading, and retail operations.
Update on Gemstone Mining in Northern Mozambique
Recounts an expedition to Mozambique’s important deposits of ruby, spinel, and tourmaline, which have yet to be fully explored.
Update on Spectroscopy of “Gold Sheen” Sapphires
The chemical composition and spectroscopic characteristics of 14 gold sheen sapphires are examined.
