#Gems
Science & Technology | Cool Stuff
Russian Mine Yields Diamond-Within-Diamond Stone; First of its Kind
The stone weighs 0.62 carats, while the internal gem weighs 0.02 carats. It may be more than 800 million years old.
The stone weighs 0.62 carats, while the internal gem weighs 0.02 carats. It may be more than 800 million years old.