20+ hour, 34+ min ago  (673+ words) Putting a price on some of the world's most valuable fancy color diamonds is a tricky business. "You could probably count on one hand, maybe two hands, those people that are members of the trade of fancy color diamonds that…...

2+ week, 5+ day ago  (209+ words) (IDEX Online) - A 31. 77carat Paraiba tourmaline will be offered for sale with an estimate of $550, 000 to $650, 000 at Phillips New York. It is one of the "newest" gemstones. Tourmaline was recognized as a distinct mineral species back in the mid-1700s but Paraiba tourmaline…...

2+ mon, 2+ week ago  (655+ words) AI can do pretty much anything these days. But there are some areas where humans still excel. .. such as inventing a new diamond cut. Jacob & Co, watchmaker of choice for the uber-wealthy, has just introduced the Angel Cut, with 37 facets,…...