At 733 carats, it was far larger than the Star of India, a 563-carat blue star sapphire previously known to be the largest. It was valued at $300,000, but the Kazanjians “declared emphatically ...

He also said that the Star of India, a grayish Blue Star Sapphire which was also mined in Sri Lanka and now housed in the American Museum of Natural History (AMNH) in New York weighs 563.35 carats.

It is the featured pendant on a necklace comprised of 70 black star sapphires, totaling an additional 104.42 carats. The entire piece is set in 18k rose gold and has a retail price of $5 million.

When Harry Spencer, a sapphire miner, first saw the black rock his young son Roy brought to their home in Queensland, Australia in the 1930s he is said to have remarked – “Oh yes, a large ...

Claim: Rock purchased for $10 proves to be a valuable star sapphire. Status: Partly true. Origins: One of the top "get rich quick" daydreams involves a lucky buyer who stumbles across something ...