As with other colored gemstones, color is one of the most important factors determining the price of your ruby. The most valuable of rubies tend to be an intense deep red in color, and may even be ...

The novel approach could transform the jewelry industry as it demonstrates that, theoretically, we no longer need to mine to ...

Among the stones he had on his display was a 40-gram red ruby, he described as third-rate, but was in the market at a conservative price of Sh1 million ($10,000). So precious are the gemstones ...