Advances in CVD growth technology have resulted in crystals that yield well-proportioned round brilliant cuts.

For the first time, GIA's laboratory has examined tanzanite color-coated with titanium.

Red beryl, mined from Utah and displayed in both loose form and in suites of jewelry, were seen at the AGTA show in Tucson.

An overview of the 2014 gem shows in Tucson, Arizona.

Updates on the corundum, paraíba tourmaline, and alexandrite markets from the 2014 gem shows in Tucson, Arizona.

Fossilized gastropod shells, trademarked for use in jewelry, are exhibited at the 2014 Tucson gem shows.

Stunning examples of gem cutting and design from the GJX Show in Tucson, Arizona.

Fine unheated tanzanite, untreated yellow sapphire, and heated pink zircon on display at GJX in Tucson.

Deep blue fluorescence in a CVD synthetic diamond mimic patterns found in natural specimens.

A review of the new edition of Gem Identification Made Easy by Antoinette Matlins.

Review of Walter Schumann's Gemstones of the World.

A review of Jewels by JAR

Cultured pearl market update from the 2014 gem shows in Tucson, Arizona.

A study of the nacre and the cavity of a large Pinctada maxima cultured pearl yields a theory on the specimen’s formation.

Documents a series of visits to Myanmar in search of exceptionally bright pinkish red spinels possessing no dark tones.

Presents the gemological and spectroscopic properties of a suite of synthetic diamonds grown by AOTC using high pressure and high temperature.

Microradiography reveals wire fillings within a “pearl” created from two separate specimens.

G&G starts 2014 with renewed anticipation and the strongest intention to build on the many notable innovations that shaped the journal in previous years.

Thanks to its many varieties and rising value, rutilated quartz garnered attention at the 2014 gem shows in Tucson, Arizona.

Pantone Color Institute 是色彩设计师和爱好者的仲裁者，每年会做两次季节性色彩报告，每次选择 10 种色彩。 从淡蓝色的海蓝宝石、光芒四射的粉紫色蓝宝石到火橙色的火蛋白石，你可以从上面的照片库中寻找与这一季的时尚色相符合的宝石。