The spring 2017 auction season saw two important price records fall and solid, if not rising, prices for top gems across the board.

设计师应对市场趋势，对钻石的需求超出预期。此外，节日期间的钻石营销宣传也对市场起到推波助澜的作用。

浮雕丰富的历史和知识将历史、神话及珠宝爱好者引入了迷人的收藏世界。

Buyers at the 2017 JCK Show will likely stick to their open-to-buy plans, but take few chances on new lines or extra stock. Plus: An overview of retail sales, auction headlines.

John Latendresse（约翰·拉藤德烈斯）被誉为美国养殖珍珠之父。 他还是一位伟大的天然珍珠收藏家，为其家族留下了可观的天然珍珠藏品。 Latendresse（拉藤德烈斯）家族在美国的珍珠行业备受推崇，长久以来，一直支持着 GIA 的珍珠研究。 请跟我们一起来重访这一家族和他们的珍珠藏品。

A color change in rough garnet is observed and plotted in GIA’s Carlsbad lab.

GIA JDT 毕业生兼里维尔学院 2016 年大溪地珍珠首饰设计比赛大奖得主让家族的珠宝遗产再现辉煌。

GIA 校友会可向选择参加的所有人提供教育、交流机会及诸多乐趣。

这一互动课程提供了丰富的媒体资源，让 GIA 毕业生能随时了解最新的宝石及珠宝新闻与信息。

A review of Gem: The Definitive Visual Guide.

Three mineral species, not previously seen in the Carlsbad lab, are examined.

A family sources, designs, and carves gems for extraordinary jewelry and pieces.

Sapphires from Baw Mar host multiphase inclusions in appealing patterns.

A cordierite with a color not seen in the GIA lab is examined in New York.

A look at the 2016 sapphire production from Montana’s Rock Creek deposit.

Plans to develop a collective in a remote Brazilian rutilated quartz mining community are unveiled.

A report from the second Jewelry Industry Summit, held in Tucson, Arizona on January 29–30, 2017.

Investigates the properties of synthetic zincite produced by industrial kilns in Poland.