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The presentation of the Koh-i-Noor by the East India Company to the queen was the latest in a long history of transfers of the diamond as a coveted spoil of war. [49] Duleep Singh had been placed in the guardianship of Dr John Spencer Login, a surgeon in the East India Company Army serving in the Presidency of Bengal. Duleep Singh moved to ...
The karat (US spelling, symbol k or Kt) or carat (UK spelling, symbol c or Ct) [17] [18] is a fractional measure of purity for gold alloys, in parts fine per 24 parts whole. The karat system is a standard adopted by US federal law.
Star of India. The Star of India is a 563.35- carat (112.67 g) star sapphire, one of the largest such gems in the world. [ 1][ a] It is almost flawless and is unusual in that it has stars on both sides of the stone. The greyish-blue gem was mined in Sri Lanka [ 3] and is housed in the American Museum of Natural History in New York City .
Cullinan Diamond. The Cullinan Diamond is the largest gem-quality rough diamond ever found, [ 2] weighing 3,106 carats (621.20 g), discovered at the Premier No.2 mine in Cullinan, South Africa, on 26 January 1905. It was named after Thomas Cullinan, the owner of the mine. In April 1905, it was put on sale in London, but despite considerable ...
A 5.05-carat (1.010 g) Emerald-cut red diamond formerly known simply as "Red Diamond". This is the second-largest known red diamond. It was cut from a 35-carat (7.0 g) piece of boart discovered near Lichtenburg, South Africa. It reappeared in 2007 after a 37-year absence from sight, and was purchased by Kazanjian Brothers Inc. —
Regent Diamond. The Regent Diamond is a 140.64-carat (28.128 g) diamond owned by the French state and on display in the Louvre, worth £48,000,000 as of 2015. Mined in India and cut in London, it was purchased by the regent of France in the early 18th century.
Gold as an investment. A Good Delivery bar, the standard for trade in the major international gold markets. Size of a 100 gram gold bar - packaged inside an assay for proof of authenticity - compared to a playing card. Of all the precious metals, gold is the most popular as an investment.
Lily Gabriella's "Memphis Deco Pin," is crafted in 18-carat rose gold and platinum and features a 7.34 carat grey spinel cushion, princess cut pink sapphires and custom cut lapis lazuli (price on ...