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Ruspoli Sapphire: 136.9 carats (27.38 g) [11] Stuart Sapphire: Sri Lanka 104 carats (20.8 g) Blue Tower of London [12] Bismarck Sapphire: Myanmar: 98.56 carats (19.712 g) Table Blue National Museum of Natural History, Washington [13] James J. Hill Sapphire: 22.66 carats (4.532 g) Cornflower National Museum of Natural History, Washington [14]
This later estimate was acknowledged by insiders as a "low-ball estimate," however. [1] The sapphire's value was later upped by Rahul Kadakia, senior vice president and head of jewelry at Christie's America, to approximately $1 million. [5] [3] It was sold as Lot No. 261, and the auctioneer was François Curiel.
The Star of Adam is an oval-shaped blue star sapphire, currently the largest star sapphire in the world. [1] [2] [3] It weighs 1,404.49 carats (280.898 g; 9.9084 oz). [4]Prior to its discovery in 2015, the Black Star of Queensland, weighing 733 carats (146.6 g), was the largest star sapphire gem in the world.
A star sapphire is a type of sapphire that exhibits a star-like phenomenon known as asterism; red stones are known as "star rubies". Star sapphires contain intersecting needle-like inclusions following the underlying crystal structure that causes the appearance of a six-rayed "star"-shaped pattern when viewed with a single overhead light source.
Wedding anniversaries extend the jubilee hierarchy with various sequences of substances filling in many of the gaps between the same major milestones. In 2017 the 65th anniversary of the accession of Elizabeth II was widely referred to as her "sapphire jubilee" or more specifically as her blue sapphire jubilee (see Sapphire Jubilee of Queen Elizabeth II) [1] but more traditionally the sapphire ...
Opal & White Sapphire Half Halo Earrings These fashionable earrings are ideal for special occasions or everyday wear. They have a luminous natural opal surrounded by a half-halo of white sapphires ...
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.
The Millennium Sapphire was showcased at the 2002 Academy Awards, [5] and in 2004 it made an appearance in Seattle at the launch of Princess Cruises' ship, The Sapphire Princess. [6] In 2020, Art Appraiser Pascal Butel, M.S. INALCO appraised the fair market value of the Millennium Sapphire at USD 100,000,000 – USD 150,000,000. [7]