The rarity and beauty of pink diamond make it an important item in the world's top jewelry auction. 1994, a pink diamond weighing 19.66 carats was auctioned at Christie's auction house in Geneva. The transaction price was $377,483 per carat with a total value of $7.4 million. 1995, Sotheby's auctioned a lavender pink diamond weighing 7.37 carats. The auction price per carat is $865,438+$08,863, with a total value of $6 million.
April 20 14 Sotheby's Jewelry Auction in Hong Kong
For a long time, there are not enough pink diamond anywhere in the world to meet the needs of extensive and in-depth research on them. At present, GemTradeLaboratory of GIA in the United States has 1500 pink diamond and related data. The characteristics and color grading system of natural pink diamond were determined through research.
20 12 April, Christie's jewelry auction sold 8 million dollars.
Pink diamond includes: light purple pink-pink-orange pink. The reason why colored diamonds are colored remains to be studied. Some studies think that it is due to the crystal defects of diamonds, which is consistent with the reason why brown diamonds are colored. The research also points out that pink diamond includes type I and type II. 1490 in pink diamond, there are166 in type I pink diamond and only 324 in type II pink diamond, which means that pink diamond accounts for a large proportion of type I diamonds, while pink diamond accounts for a small proportion of type II diamonds. However, the study also found that most type II pink diamond are heavier, while most type I pink diamond are lighter, which means that the pink color of diamonds is not only related to the type of diamonds, but also related to their weight. Different kinds of pink diamond, the change rate of pink is different.
Pink diamond color grade comparison table
The colors of GIA pink diamond in the United States are classified as: light pink (faint), extremely light pink, light pink (faint), light pink (fancy), normal pink (fancy), dark pink (fancyDeep) and bright pink (fancyvivid).
Moneta handed down a classic 2.99-carat pink red diamond "Sunrise".
Under the irradiation of violet light (long wave or short wave), most pink diamond has no or almost no fluorescence effect. The color of pink diamond will change during cutting and polishing.
Pink diamond was auctioned with an estimated value of $60 million.
20 13 10 Sotheby's jewelry auction house in Hong Kong found a 59.6-carat pink diamond.
Diamonds represent luxury. Due to scarcity, prices are getting higher and higher. Pink diamond is especially rare, and it is a luxury among diamonds. 20 13, 10 in June, Sotheby's jewelry auction house in Hong Kong found a 59.6-carat pink diamond with a total value of 60 million US dollars, equivalent to more than 360 million yuan.