Melbourne, Australia–Last year, Rio Tinto made an astounding discovery at its Argyle mine in Western Australia and never said a word about it. The diamond mining company unearthed a 9.17-carat piece of rough that yielded a stone Rio Tinto Diamonds’ Patrick Coppens describes as “impossibly rare”–a 2.83-carat fancy deep grayish blue violet diamond that it

A couple of years ago, I was with my friend Adam Cohn when he made this simple yet important declaration — “San Francisco should always have a subway under construction.” My first reaction was to think of every possible objection to the concept — too expensive, too disruptive, too controversial, too many difficulties siting subway stations and determining alignments.

A couple of years ago, I was with my friend Adam Cohn when he made this simple yet important declaration — “San Francisco should always have a subway under construction.” My first reaction was to think of every possible objection to the concept — too expensive, too disruptive, too controversial, too many difficulties siting subway stations and determining alignments.

Form Us With Love recently created the Nest Collection for +Halle. The series provides an unpronounced divider to the traditional lounge area, by simply creating layers of both high and low seating. The heights offers a sense of privacy, whilst maintaining the comfort of a relaxed armchair.

Form Us With Love recently created the Nest Collection for +Halle. The series provides an unpronounced divider to the traditional lounge area, by simply creating layers of both high and low seating. The heights offers a sense of privacy, whilst maintaining the comfort of a relaxed armchair.

Form Us With Love recently created the Nest Collection for +Halle. The series provides an unpronounced divider to the traditional lounge area, by simply creating layers of both high and low seating. The heights offers a sense of privacy, whilst maintaining the comfort of a relaxed armchair.

June is the most popular month to tie the knot, and those looking to plan their fairy-tale wedding next year need to start with the right ring—right now. Of course, not every girl is the same, so we gathered a selection of the best pieces to suit the style of every soon-to-be-bride. Fans of Downton

Archtober is accepting nominations for projects to be included in New York City’s month-long festival of architecture and design. Each day in October 2016, the event will feature a Building of the Day as a noon-time, architect-led tour. Building of the Day tours are the centerpiece of Archtober. With the goal of making exemplary architecture

Archtober is accepting nominations for projects to be included in New York City’s month-long festival of architecture and design. Each day in October 2016, the event will feature a Building of the Day as a noon-time, architect-led tour. Building of the Day tours are the centerpiece of Archtober. With the goal of making exemplary architecture

L A M P (Lighting Architecture Movement Project) is calling for entries for its fourth annual international lighting design competition. The competition challenges designers to approach their light fixtures with the guidance of a singular word. This year’s theme is Cosmic. There are three categories for submission: student, emerging, and established designers. Submissions will open