One of the most famous of all royal jewels is a red gem that has belonged to princes and kings for over 600 years. It’s got a ...
Visit to Tanzania and Kenya marks 17 years of rigorous scientific studyCarlsbad, Jan. 30, 2025 (GLOBE NEWSWIRE) -- CARLSBAD, Calif. – January 30, 2025 – GIA field gemologists recently completed their ...
The GIA team collected tsavorite, spinel and sapphire rough, verifying and recording the precise origin of each sample ...
The gemstone spinel, known for its vibrant colors resembling gems such as rubies and sapphires, has now been shown to be ...