The rare Mellon Blue 9.51-carat teardrop-shaped blue diamond sold for $25.6 million at an auction on Tuesday – $7 million ...

GENEVA -- A blue diamond weighing nearly 10 carats has sold at auction in Switzerland for 20.5 million Swiss francs ($26.6 ...

The ornamental fish trade is a booming global industry that generates billions of dollars every year. Over 90% of this trade involves freshwater fish. One of the most popular freshwater groups is ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The industry term for naturally colored stones is “fancy,” which ...