Annual gem auction record each big auction jewellery auctions a record, each year will be according to the different gem classify record called the price list. Such as diamond, ruby, sapphire, and emerald, has its own auction price record, and then posted on the Internet. Login to sotheby's and Christie's website, you can see the latest auction record, including rare rare big carat pure and flawless colorless diamonds, colored diamonds and colored stones and so on. Ruby carat auction record, much more expensive than the sapphire. Ruby per carat auction records, and by a Burmese produce of oval rubies. On May 29, 2012, Christie's auction house in Hong Kong will auction of the 6 carats ruby in addition to the high price of more than $300, $550000 per carat. Rare jewels and treasure the rare rare colored gems, usually with diamond collocation, embedded into a necklace, pendant, or ring, turned into a variety of colorful and magnificent jewelry. The sapphire, the Kashmir is a natural gem, without artificial heating or processing, are rare treasures, it is made into a ring of luxury, is surrounded by 32 tapered rectangular diamond Mosaic, is one of a handful of diamond jewelry boutique creation in the world. Classic diamond engagement ring, without the collocation of diamond and sapphire. Since Kate Middleton ( 凯特•米德尔顿) With prince William's marriage, her sapphire diamond engagement ring has attracted worldwide attention, become one of the most famous jewelry in the world. This 18 k white gold ring by the 14 12 carat oval diamond orbiting a star sapphire, a trend of month, as unripe brightness. Buy sapphires, rubies, emeralds, need not go to the auction house to buy for. As digital native jewelry brand, with good, to be approachable price, meet your color treasure diamond engagement ring purchase demand.