Renowned gem photographer Robert Weldon offers his tips for capturing the best gem photographs.

Ronald McIntoshとWarren Anderson共著、Kentucky Agate: State Rock and Mineral Treasure of the Commonwealth（ケンタッキー州産アゲート(瑪瑙/めのう)：州指定の岩石および鉱物の財宝）の書評。

Examines the history of diamond production in Botswana and the long-term outlook for beneficiation through value-added industries.

Discusses the role of three-phase inclusions in emerald, in combination with spectroscopy and trace-element analysis, in determining geographic origin.

Review of The Collector's Guide to the Minerals of New York State.

Review of Diana Scarisbrick’s Rings: Jewelry of Power, Love and Loyalty.

A natural diamond with a CVD synthetic film is examined at GIA's Carlsbad lab.

A Fancy yellow type Ib CVD-grown synthetic diamond undergoes testing at the New York lab.

カラフルなスライドショーや業界の専門家との洞察に満ちたインタビューを含め、今年のツーソンの宝石と鉱物ショーのカバレッジ、。

Explore “The Beauty of Science” – featuring the iconic gem, jewelry, mineral and sculpture photographs by Harold and Erica Van Pelt – through this virtual tour.

世界の超富裕層2014年上半期にさらに広い稀で、罰金に彼らの財布を開く。

Teri Brossmer、Carole Richbourg、Gina D'Onofrio がカールスバッドのGIAキャンパスで、宝石と宝石鑑定について考えを伝えたり、アドバイスを行いました。

Alethe Fatherley, executive director of Jewelers for Water, hasn’t always tried to link social justice with the jewelry industry – in fact, the idea of encouraging an industry that’s both responsible and profitable has only crystallized for the East Coast-based gemologist in the last several years.

Noëlle Vieillard-Jordi, GIA GG, designs jewelry that celebrates the independence of modern women – the one who finds joy, beauty and fun in everyday life, and who is buying her own jewelry that’s not just reserved for “special occasions.”

Franco Cologni 著 「 In Praise of Hands: The Art of Fine Jewelry at Van Cleef & Arpels（手の賛美：ヴァンクリーフ＆アーペルにおけるファインジュエリーの芸術）」レビュー

GIAチームは、中国への遠征中に、彫刻中の最も大型のジェダイトを紹介されました。 自然の美しさと名人の人生の何年もの歳月を捧げて作り上げるこの驚くべき芸術性は、現在も作業が続けられています。

One of the largest blue diamonds ever found ‒ weighing in at 122.53 carats ‒ was unveiled this week by Petra Diamonds; De Beers held the line on prices at the June 10-13 sight, which totaled about $650 million.

真に傑作と呼ぶにふさわしい、世界でも最高級のジェダイトの彫刻をデザインし制作することに打ち込んでいる名匠達の作業場を訪れました。

Take a behind-the-scenes look at some of the gems, minerals and jewelry on display at GIA in New York.

モゴックの宝石市場とカッティング産業の内部視察。