The third Jewelry Industry Summit, held in Tucson February 2–3, revealed the successful implementation of several initiatives mapped out since the conference’s inception in 2016.

Mother-and-son team Laurie and Geoffrey Watt (Mayer & Watt, Maysville, Kentucky) noted that while there were plenty of customers at the AGTA show this year, the formula for success was a wide selection of materials and competitive pricing.

Thoughts from a longtime Tucson exhibitor on responsible practices and the changing market trends.

Susi Smither discusses her sustainable, responsible, and ethically based business practices.

The examination of a nearly complete trapiche emerald crystal–which are difficult to obtain–is consistent with the findings of previous studies.

The age of something is fundamental. Humans, animals, wine, cars, and antiques are viewed and understood in the context of their age.

Establishes a metamorphic origin for sapphire samples from these deposits, supported by their trace-element composition and inclusion characterization, including the age dating of zircon inclusions.

Shows how alexandrite’s color and color change are affected by cut and the orientation of table facets.

Trapiche-like ruby from Kashmir shows a well-formed fixed six-rayed pattern.

The World Jewellery Confederation (CIBJO) released the first edition of the Responsible Sourcing Book in January 2019.

A wholesaler supplying the bridal market with recycled gemstones and antique cuts shares his thoughts on the market and on responsible practices.

Researchers from GIA’s Bangkok laboratory seek to identify low-temperature heat treatment in basalt-related blue sapphires.

ダイヤモンドに閉じ込められた鉱物インクルージョンが大陸の構造を解明し、ダイヤモンドが形成された年代をGIAの研究員が判断する際の手がかりとなります。

デビアスは変動に対応し、Federal Trade Commission（連邦取引委員会）はラボで製造されたダイヤモンドに関する警告を発行します。また、302.37カラットのGraff Lesedi La Rona（ザ グラフ レセディ ラ ロナ）の詳細が発表されます。

この天然に鮮やかなブルーサファイアの採鉱および目立つ特徴を報告します。

The appearance of curved banding under short-wave UV easily identifies flame-fusion synthetic sapphire.

リバイバルジュエリーは過去からインスピレーションを受けており、私たちの文明の豊かな歴史と私たちを結び付けます。

地質学者が、自身で運営する地球科学のウェブサイト、Geology.comへの訪問者に宝石に関するより多くの情報を提供できるようGGを取得します。

蝶結びは、その時代のスタイルを反映するために蘇って適応しながら、はるか昔のジュエリーやファッションにおいて人気のあるモチーフおよび最後の仕上げの手法として使われています。

Held October 21 and 22 at Cinema Row, the Chicago Responsible Jewelry Conference drew 200 attendees who heard industry experts discuss safe, sustainable, ethical gem production and jewelry design.