Mogoksky Regal Ruby weighing 13, 21 carat diamond ring 5967465 dollars.




CYCLE "10 most expensive rubies auctions." 7 seats ... Mogoksky Ruby Regal weighing 13, 21 carat diamond ring 5967465 dollars (451,738 dollars per carat) auction Christie's, Hong Kong, November 2013 Ring of white and yellow gold 750 decorated with an oval ruby ​​weighing 13, 21 carats, surrounded by diamonds in the shape of a crescent. Stone has bright red, perfectly clean and original cut. Careful study revealed the small inclusions characteristic of rubies mined in the Mogok valley.