Kosmos Black Sapphire and Marcasite Ring in Sterling Silver Menta verde featuring a central oval black

featuring a central oval black onyx cabochon gemstone surrounded by sparkling marcasite

9ct yellow gold ring with a diagonal row of oval cut light blue kanchanaburi sapphire gemstones crossed with single cut white diamonds

An eye-catching turquoise pendant crafted from 925 sterling silver featuring a cushion sugarloaf turquoise cabochon

these simple garnet earrings are perfect for everyday wear or adding a splash of red on a night out

A charming pair of oval rubies set within a twist of yellow and white gold

Kosmos Black Sapphire and Marcasite Ring in Sterling Silver Menta verde featuring a central oval blackAbout This Item A striking statement ring with black sapphires and sparkling marcasite stones in a multi band design inspired by the celestial shapes of the cosmos. Gemstone Information Marcasite items, including jewellery, have been found in ancient Incan tombs. It is thought that the Incas even created marcasite plates and surfaces to be used in worship of sun gods. It has also been said that Native Americans once used marcasite, or pyrite as it is