Photo released on July 27, 2022 shows a 170-carat pink diamond Lulo Rose, discovered at the Lulo mine in Angola's diamond-rich northeast region. (Photo/Agencies) The rare 170-carat pink diamond from its Lulo alluvial mining is believed to be the biggest pink diamond extracted in Angola in the last 300 years.

Photo released on July 27, 2022 shows a 170-carat pink diamond Lulo Rose, discovered at the Lulo mine in Angola's diamond-rich northeast region. (Photo/Agencies)