NEW YORK – A ruby sold for a total of US$34.8 million (S$46 million) at Sotheby’s in New York on Thursday, setting a new record price at auction for the precious stone. The 55.22-carat gemstone, named ...

A researcher looks set to transform the jewelry industry after becoming the first to grow – a ruby in a ring. Sofie Boons grew the gemstone from a “ruby seed” in situ – in a platinum ring. Sofie is a ...

Add Yahoo as a preferred source to see more of our stories on Google. “The term ‘gemstone’ can be thought of as a catch-all term for the many natural mineral and crystalline formations found within ...

"If you look at a top-quality, gem quality ruby versus the top quality of a diamond – let's say they're five carats each – the ruby is going to be much rarer and much more expensive than that ...

The deep red Ruby or Manik gemstone will rarely go unnoticed. This gemstone is one of the hardest and also most resistant to acids. A derivation of Aluminum Oxide, the chemical composition of this Gem ...

The birthstone for July is ruby, whose vibrant red hue perfectly encapsulates the spirit of this sultry summer month, when days are long, hot, and intense. These rich red gemstones, known as "the ...