Exceptional stones are recirculated and new production is showcased at the AGTA show in Tucson.

Rare material seen at the GJX show in February 2015.

Exceptional innovations using gem and mineral rough at Tucson’s GJX show.

The New York lab discovers a synthetic melee diamond in a pendant, underscoring the importance of testing for undisclosed synthetics.

A discussion of the current demand for tsavorite and spinel in today’s market.

Prismatic blue and colorless dumortierite inclusions in rock crystal quartz are examined for the first time in the Carlsbad lab.

Color and size make a statement at this booth in Tucson.

At AGTA, exquisite jewelry pieces inspired by natural scenes were on view.

A purple non-nacreous specimen is revealed to be a natural northern quahog pearl.

Unique carvings in gems are displayed at GJX in Tucson.

A Fancy black round brilliant diamond has an inclusion that is revealed to be a natural diamond crystal.

Offers geological context and gemological characterization of this increasingly popular vivid blue spinel from northeast Vietnam.

Striking Tanzanian garnets showing color shifting at the Riverpark Inn (Pueblo) show in Tucson.

A summary of the findings at Tucson’s 2015 gem shows.

采用内含物分析法、傅里叶变换红外光谱和激光剥蚀电感耦合等离子体质谱仪 (LA-ICP-MS) 观察接受低温加热后的莫桑比克红宝石变化的报告。

2015 年迄今为止业界继续保持谨慎态度。 珠宝零售数据、戴比尔斯看货会和苏富比及佳士得拍卖销售讲述了详细情况。

一位业内人士的巴塞尔展览之旅

就像毛毛虫蜕变成蝴蝶，主要珠宝商将原始元素转化为可佩戴的艺术作品。 抛开对昆虫的一切成见，准备进入另一个世界—— 一个你可能经过无数次，但却从未注意过的世界。

来自美国宝石研究院和戴比尔斯的专家在 2015 年 3 月的巴塞尔国际钟表珠宝展上齐聚一堂，介绍检测和鉴定所有合成钻石的现行方法，为忧心忡忡的钻石和珠宝业注入信心。