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The diamond is the largest cushion-shaped blue stone classified as "fancy vivid" ever to appear at auction. [ 2 ] The "Blue Moon" sale, according to David Bennett, the head of Sotheby's international jewellery division, set a record for the highest-ever price per carat and it made the diamond both the most expensive jewel ever sold at auction ...
The diamond, mounted in a ring, was sold by Sotheby's auctioneers in Geneva, Switzerland on 16 November 2010. Before its sale, the stone was expected to enter the list of the top ten most expensive diamonds in the world; [1] on selling for US $46 million (£29 million) it became the most expensive single jewel ever sold at auction at that time ...
As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium. It is followed by caesium, iridium and palladium by mass and iridium, gold and platinum by volume. Carbon in the form of diamond can be more expensive than rhodium. Per-kilogram prices of some synthetic radioisotopes range to trillions of dollars.
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Research on dozens of sites to find the priciest real estate, artwork, yachts and jewels pinpoints the world’s most expensive item right now: the History Supreme Yacht, measuring 100-feet long ...
Tiffany & Co. is planning the most expensive piece of jewelry it’s ever offered for sale. The jeweler recently acquired an 80-carat, oval shape, D color and internally flawless diamond, and will ...
In early 2025 diamond prices had dropped significantly from a peak in 2022; prices of natural gems in shops dropped by 26% by the beginning of 2025. Laboratory-grown diamonds had dropped by 74% since 2020. Prices were expected to continue decreasing. De Beers had started 2024 with US$2bn worth of diamonds, which it had not sold by the end of ...
The average American's net worth is $748,800. This figure is arguably not that bad, but it seems downright abysmal when you consider how much some ultra-rich people have paid for material items at...