market conditions: in the past 1 years, on average, the appreciation of opal is about 1 times. The 5-carat opal raw stone, which sold for 3, yuan around 21, is now sold for about 1.5 million yuan, equivalent to 3, yuan per carat. After 211, the sales volume of Opal increased linearly, not only in the wholesale market in Liwan, but also in jewelry retailers near Tianhe City. However, its price has shown a trend of rapid increase compared with previous years. At present, the retail price of a 6mm×9mm opal is generally 1, ~ 2, yuan, which is basically at the same price as the sapphire appearing in the Guangzhou market. High-quality dark opal can be sold for 3,5 Australian dollars per carat (equivalent to 23, yuan). High-quality black opal can cost 15, Australian dollars per carat (equivalent to about 1, yuan).

recent partial transaction price of opal stone

transaction price of opal stone 18K gold diamond earrings: RMB3,5,84 Date: September 25, 215

transaction price of opal stone diamond pendant necklace: RMB2,3,6 Date: May 25, 215

7.61. 4 date: February 25, 215

7.53 carat opal PT9 diamond ring transaction price: RMB2,63,1 date: July 19, 215

opal 18K gold diamond pendant necklace transaction price: RMB2,3,6 date: April 215.