Alessio Boschi king of the Asian autumn Auctions. The designer (https://gioiellis.com/il-virtuosismo-di-alessio-boschi), was the star of the auction Jewellery and Jadeite Autumn Auction 2015 by Tiancheng, auction company based in Hong Kong. A pair of earrings that are convertible as pendants or ring, icy lavender and green jadeite, diamond, signed by Italian designer who is based in Bangkok, were sold for 3.33 million US dollars, the maximum price for whole sale. Note that auction were sold 87% of jewelery, for a total of 31.4 million dollars. And more: a ring whit Sri Lanka spinel cobalt that changing color and diamonds has attracted more than 20 offers and sold for $ 230000. Spinel appears blue in daylight, but turns purple with artificial light. He had been mistaken for a sapphire blue, and was kept in a private vault for more than 50 years, until it was seen by the specialists of Tiancheng and properly identified and evaluated. Federico Graglia