Loose Burma Rubies: The Connoisseur’s Guide to the World’s Rarest Gem

In the high-stakes world of elite gem collecting, a 5-carat untreated Burmese ruby is statistically rarer than a 100-carat D-flawless diamond. You likely recognize that loose burma rubies represent the absolute pinnacle of the corundum family, yet the prevalence of synthetic fillers and undisclosed …