A 15.81-carat diamond could fetch up to $38 million when it goes on sale in Hong Kong next week.A 15.81-carat diamond could fetch up to $38 million when it goes on sale in Hong Kong next week.
A 15.81-carat diamond could fetch up to $38 million when it goes on sale in Hong Kong next week.A 15.81-carat diamond could fetch up to $38 million when it goes on sale in Hong Kong next week.