First-Ever Diamond Found Trapped Inside Another Diamond
A very unusual pair of diamonds has been unearthed in Siberia, where Russia's Alrosa claims to have found the first-ever diamond trapped inside another diamond.The so-called Matryoshka diamond, so nicknamed for the famed Russian nesting dolls, is small at just .62 carats and 4.8 x 4.9 x 2.8 mm.