Research Article Search Results

Summarizes data collected by GIA on more than 90,000 natural diamonds in this color range and presents their gemological and spectroscopic properties.

Surprisingly, diamonds do not all form in the same way, but rather they form in various environments and through varying mechanisms.

Lightbox, a De Beers company, has begun selling “white,” pink, and blue CVD laboratory-grown diamonds at a flat rate of $800 per carat.

Over the last decade, the production methods used to create synthetic diamond melee have improved substantially, along with the quality of the specimens themselves.

A look at the mining and distinguishing characteristics of this naturally vibrant blue sapphire.

Presents a visual guide to the growth processes and major gemological spectroscopic features of synthetic diamonds.

The Responsible Jewellery Council (RJC) has announced plans to include colored stones and silver in the next revision cycle for its Code of Practices, which RJC members are certified against.

Jürgen Schütz discussed the opal sourcing and cutting activities of the German firm Emil Weis.

エリカ・コートニーは数十年にわたり、ハリウッドスターたちのレッドカーペットを彩ってきた。彼女の色彩感覚と宝石の美しさを引き出す才能は、一目瞭然だ。

Characterizes the akoya cultured pearls produced on the eastern shoreline of Australia using native Pinctada imbricate fucata mollusks.

A look at the artistic heritage of the Drehers, an influential family of gem carvers in Idar-Oberstein, Germany.