24Cts Natural Green Amethyst Cushion Cut 18.2x181mm Clean Prestolite Loose stone

Whether destined for a bespoke piece of jewellery or to be the centrepiece of a collector's array, this gemstone's clean clarity grade ensures that it will be a standout addition to any collection. Sourced from the rich mines of Brazil, it remains a mystery in its origin, adding an air of intrigue to its already alluring presence.

eBay