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The Golden Jubilee Diamond, a 545.67 carat (109.13 g) brown diamond, is the largest cut and faceted diamond in the world. It outweighs the Cullinan I by 15.37 carats (3.07 g). The Golden Jubilee Diamond was discovered in 1985 at the Premier Mine , which is also the origin of the Cullinan diamond (1905) and other notables such as the Taylor ...
The most significant archaeological evidence comes from the Royal Cemetery of Ur, where hundreds of burials dating 2900–2300 BC were unearthed; tombs such as that of Puabi contained a multitude of artefacts in gold, silver, and semi-precious stones, such as lapis lazuli crowns embellished with gold figurines, close-fitting collar necklaces ...
Diamond is at the top of this scale (hardness 10), as it is one of the hardest naturally occurring materials known. (Some artificial substances, such as aggregated diamond nanorods, are harder.) Since a diamond is unlikely to encounter substances that can scratch it, other than another diamond, diamond gemstones are typically free of scratches.
A diamond that is cut and polished to produce a high level of these qualities is said to be high in light performance. The setting diamonds are placed in also affect the performance of light through a diamond. The three most commonly used settings are: Prong, Bezel, and Channel. Prong settings are the most popular setting for diamond jewelry.
Gold and silver necklaces were often ornamented with foreign and semi-precious objects such as amber, pearl, amethyst, sapphire, and diamond. [10] In addition, ropes of pearls, gold plates inset with enamel, and lustrous stones set in gold filigree were often worn. [4]
Sketch of the Orlov diamond from the book Precious Stones by Max Bauer, 1904. A description was given by Eric Burton in 1986: The sceptre is a burnished shaft in three sections set with eight rings of brilliant-cut diamonds, including some of about 30 carats (6 g) each and fifteen weighing about 14 carats (2.8 g) each.
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The famous Hope Diamond is only 45.5 carats, which is about one-third the mass of the Tiffany Yellow Diamond. [5] The diamond is known to have been worn by only four women during its lifetime. It was worn by Mary Whitehouse at the 1957 Tiffany Ball held in Newport, Rhode Island, mounted for the occasion in a necklace of white diamonds. [5]
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