Tuesday, 10 January 2017

Famous Gemstones

The Crown of Cortez Emerald is a 306 carat cabochon cut emerald.
The El-Dorado Topaz, which weighs a whopping 31,000 carats (13.67 lbs.) currently holds the crown as the largest faceted gemstone in the world.

Originally discovered in 1984 in Minas Gerais, Brazil, the pre-cut El-Dorado crystal tipped the scales at 81.57 lbs.
The Crimson Star is a 121 carat Rubellite Tourmaline making it the largest gem quality Rubellite in the world at present.

The gem derives its name from its color. High quality rubellite tourmalines are found in the Siberia region of Russia.
The Spaniards discovered the world's largest known emerald in the middle of the 16th century. The stone consists of two crystals grown together, and weighs 2680 carats.

The Mogul Emerald dates to around 1695 and weighs 217.80 carats. One side is inscribed with Islamic prayers and the other is engraved with opulent flower ornaments. The emerald is thought to have come from the reign of Emperor Aurangzeb --the last of the great Mogul rulers. The emerald was auctioned off at Christie's of London for $2.2 million in 2001.
An enormous blue sapphire appeared at Christie’s Magnificent Jewels sale on May 19th, 2004, at Geneva.

The jewel was not advertised as the Blue Giant of the Orient, but the size, cut, and color were similar, and it is thought to be the same gem. The jewel in the auction was 486.52 carats, and became the largest faceted sapphire of quality ever offered at auction.