"Mandarin garnet" specimens are the most in demand and the most expensive. Spessartine gem quality stones are rarely larger ...

Serendibite is an ultra-rare gemstone that was originally discovered in Sri Lanka in 1902. Its bright and attractive colour ranges from blue-green to black, and it’s highly prized for its ...

Find the attractive beauty of Black Onyx. Its rich history, profound symbolism & flexible applications. Explore the question, "Is Onyx expensive?" ...

Ajay Anand, CEO of Rare Carat, tells Page Six Style Healy appears to have opted for a rose-cut stone that could be as large as 9 carats. “Black diamonds are a cool, avant-garde take on the ...