Top 10 Most Famous Individual Gemstones

The Top Ten
1 Koh-i-Noor Diamond

It's a big colorless diamond found in India - 105.6 carat (21.6 g). Its name means "Mountain of Light" in Persian and it's said to be cursed.
It has a long history and many legends. It was originally owned by the Kakatiya dynasty (1163-1323). It belonged to many rulers - Kakatiya, Delhi Sultante, Mughal, Persian, Afghan and Sikh rulers. In 1849 Queen Victoria became its owner and then - Queen Elizabeth. It is now part of the Crown of Queen Elizabeth the Queen Mother.
Currently it's in The Louvre Museum in Paris

2 The Hope Diamond

Under short wave ultra-violet light, this blue diamond phosphoresces a red color.
Ironically, The Hope Diamond didn't bring happiness to its previous owner Evalyn Walsh McLean. Her first born son died in a car accident and her husband dumped her for another woman.
No surprise, this diamond is also said to be cursed.
Price: ~ $ 350 million.

3 Cullinan I, aka The Great Star of Africa
4 Neelanjali Ruby

Only 3 out of 100 rubies have a star, a 6-ray star. Neelanjali Ruby has a 12-ray star which is even rarer!
And it's really big: 1,370 carats (274 g).
This gem is very old - it was used as a Shiva lingam and was worshipped for centuries.

It belongs to G. Vidyaraj, the scion of the Aravidu dynasty which was the last of the four imperial lineages to rule the Vijayanagara empire. The ruby is reported to be in Bangalore, India

5 The Heart of Eternity Diamond
6 Dom Pedro

Housed in the permanent collection of the Houston Museum of Natural Science. The gem was mined in Brazil

7 Cullinan Diamond

It was 3106.75 carats (rough) and was cut into 9 large stones (named Cullinan I to IX) and about 100 smaller ones. Cullinan I is the largest piece produced from the original (in the top 10 of this list).

8 The Moussaieff Red

Red diamonds are the rarest diamonds and this particular gem was rated as the largest Fancy Red by the Gemological Institute of America.
Red diamond's color is a result from radioactive radiation. And that's very rare.
It was was acquired in 2011 for $8 million.

9 The Star of Adam

It's a blue sapphire with a white star and it's really large: size - 1,404.49 carats (280.898 g). It was found in Sri Lanka in 2015. The gemstone was valued at over $300 million.
The Gemmological Institute of Colombo said that it had never certified a gemstone larger than "The Star of Adam".

It's the largest star sapphire in the world. What else can I say about it?

10 Bahia Emerald

It was named for Bahia, Brazil, where is was found. The stone weighs approximately 752 lb (341 kg), (approximately 1,700,000 carats).
Bahia Emerald has been valued at some $400 million.
It was reported stolen in 2008 from a secured vault in Los Angeles County, California. At one point, the emerald was listed for sale on eBay for a "Buy It Now" price of $75 million.

The Contenders
11 The Graff Pink

Bought by Laurence Graff in November 2010
Update: this isn't the most expensive pink diamond anymore - in the meantime somebody paid more for a pink diamond.

You sure they shouldn't call this the "Pink Panther"?

12 Millennium Star
13 Ethereal Carolina Divine
14 26th Congress of the Communist Party of the Soviet Union
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