Moiseikin is a Russian rooted jewellery production company headquartered in Hong Kong.

Moiseikin has developed and patented internationally some technologies of jewellery production such as Waltzing Brilliance.

[2][3] According to Rapaport Magazine, "this technology both secures the diamonds and allows them to rotate gently around the axis created by the two points of contact"[4]—and "this is the first patented jewelry invention for Russia in the past 100 years".

As reported by Dubai press,[9] the item weighs over 65 kg, includes over 2,000 diamonds, other jewels and a kilogram worth of gold.

In 2014 the company presented a massive souvenir made of marble depicting former and acting Russian presidents Dmitry Medvedev and Vladimir Putin playing chess.